Date of submission: March 10, 2020; date of acceptance: April 24, 2020.
* Contact information: ghazi.zouari@fsegs.usf.tn, Faculty of Economic Sciences and 

Management, University of Sfax, Airport Road, km 4.5, PB: 1088, Sfax 3018, Tunisia, 
phone: +216 22 633 500; ORCID ID: https://orcid.org/0000-0002-8168-3266.

** Contact information: imenabdelmalek@fsegs.u-sfax.tn, Faculty of Economic Sci-
ences and Management, University of Sfax, Airport Road, km 4.5, PB: 1088, Sfax 3018, 
Tunisia, phone: +216 28 461 817; ORCID ID: https://orcid.org/0000-0003-2453-6312.

Copernican Journal of Finance & Accounting

 e-ISSN 2300-3065
p-ISSN 2300-12402020, volume 9, issue 1

Zouari, G., & Abdelmalek, I. (2020). Financial innovation, risk management, and bank perfor-
mance. Copernican Journal of Finance & Accounting, 9(1), 77–100. http://dx.doi.org/10.12775/
CJFA.2020.004

gHazi zouari*
University of Sfax

imen abdelmaleK**
University of Sfax

financial innovation, risK management,  
and banK performance

Keywords: financial innovation, risk management, performance of Tunisian banks. 

J E L Classification: G21, G32, O30.

Abstract: Several researches conducted from the angle of corporate governance reve-
als that the majority of the work that examines the direct association between financial 
innovation and bank performance has displayed mixed results and has ignored the in-
direct relationship between these two variables through the risk management of incur-
red by the bank. In this context, the purpose of this study is to investigate whether or 
not there is a mediating effect of risk management on the relationship between finan-
cial innovation and bank performance. Data collected from annual activity reports of 
banks listed on the Tunis Stock Exchange is analyzed, and used to validate the theore-
tical and empirical contributions of our article. The empirical study uses the Panel data 
extracted from 10 banks, over the period ranging from 2009 to 2017, and the Baron and 



Ghazi Zouari, Imen Abdelmalek78

Kenny (1986) mediation approach has been estimated, using specifications of random 
effects. Our empirical analysis substantiates that financial innovation has a positive 
direct effect on stock market performance, and a non-significative impact on financial 
profitability. Additionally, our results show that improving the stock market perfor-
mance of banks by financial innovation depends on the mediator role of the operational 
risk management. To remain improving performance, Tunisian banks must pay more 
attention on special training of bank managers whose function relate to the choice of fi-
nancial innovations and manage the associated risks.

 Introduction

In literature review, the concept of financial innovation is so broad, and evolves 
over time. It is defined in different ways (Merton, 1992; Tufano, 2003; Frame 
& White, 2002; Llewellyn, 2009; Sokołowska, 2014). According to Tufano 
(2003), “financial innovation is the act of creating and then popularizing new 
financial instruments as well as new financial technologies, institutions and 
markets”. Financial innovation is a process, carried out by any institution, in-
volving the creation, promotion and adoption of new (including both incre-
mental and radical) products, platforms and processes. It is also a technology 
catalyst introducing new ways of or changes in conducting a financial activity 
(Khraisha & Arthur, 2018; Sokołowska, 2014). We act in accordance with Ne-
jad’s (2016) concept of financial innovation, consisting in “the development, in-
troduction, and management of a product, service, a business model, or a pro-
cess that is developed to directly serve the financial industry”.

The development of financial innovation contributes to the wealth of share-
holders. However, the crisis that affected global financial stability and the econ-
omy in 2007/2008, the financial innovation has become risky (Arthur, 2017), 
and a source of bank fragility (Beck, Chen, Lin & Song, 2016). Researchers have 
revealed that the leading cause of crisis is the lack of how to govern innovation, 
specifically the management risk of innovation. Consequently, the crisis has re-
inforced the need to rethink some of the approaches adopted by the financial 
community in assessing bank performance. To this end, it is important to ob-
tain a comprehensive view of the key factors that may inf luence banks’ perfor-
mance, including the adequacy of financial innovations choices in relation to 
risk management, and the question of how this adequacy is handled through 
banking governance.



 finanCial innovation, risk managEmEnt, and Bank PErformanCE 79

Like the innovation in the industrial sector, the financial innovation is char-
acterized by high risk, costly investment, specific asset to the firm, and long-
horizon return (Zouari & Zouari-Hadiji, 2014a; 2014b). These characteristics 
represent the factors bringing about agency conf licts between shareholders 
and stakeholders, on the one hand, and the opportunistic behavior of manag-
ers for the purpose of maximizing their wealth at the expense of stakeholders, 
on the other hand. According to the agency theory, managers are risk averse 
and innovation activity (Minetti, Murro & Paiella, 2015) whereas the share-
holders facilitate the innovation activity in order to increase company stabil-
ity, and to generate value (Asensio-López, Cabeza-García & González-Álvarez, 
2019). Owing to the interest conf lict and information asymmetry problems be-
tween managers, shareholders and stakeholders, managers will be encouraged 
to take advantage of an opportunistic behavior. Thereby, the manager’s behav-
ior toward risk and corporate governance can affect the choice of innovation 
and risk management activities.

Moreover, depending on the transaction cost theory, Williamson (1985) ad-
vocates that investing in specialized assets increases the transaction costs via 
providing concerns about exchange problems such as potential bargaining and 
opportunism. Thus, innovations spur on risk-taking, generating costs. Hence, 
risk management is necessary to reduce these costs and control risks. 

For the reasons mentioned above, our study aims to scrutinize the effect of 
financial innovation on risk management and bank performance. 

The rest of the paper is structured as follows. The next section deals with 
a literature review and hypothesis development. The subsequent section cov-
ers the methodology while the fourth one presents the analyses. The fifth sec-
tion is about results and discussions, and the last one concludes, presents the 
limitations, and outlines possible future research.

Related literature and hypothesis development

The research methodology and the course of the research process

A conceptual model for this study is indicated in figure 1. Our research asserts 
that financial innovation will have an inf luence on bank performance. The risk 
management is shown as a prominent mediator between financial innovation 
and bank performance.



Ghazi Zouari, Imen Abdelmalek80

Financial innovation and bank performance

The financial innovation allows banks to create a competitive advantage 
through cost reduction with the aim of improving their financial performance 
via mitigating risk. Innovation is so substantial that it contributes to the eco-
nomic growth and stability of financial system (Lerner & Tufano, 2011). Spe-
cifically, banks improve their quality, and enhance their performance by devel-
oping a financial innovation. For instance, they innovate new forms of financial 
securities, new forms of mortgage lending, new means of processing transac-
tions, or new organizational forms such as Internet banks. Studying the diffu-
sion of financial innovation has been linked to the speed and pattern. The dif-
fusion of financial innovation is of great value for ensuring corporate return on 
investment from innovation (Khraisha & Arthur, 2018). De Young, Lang and No-
lle (2007) suggest that Internet adoption makes the profitability of American 
community banks better. Ciciretti, Hasanand and Zazzara (2009) provide evi-
dence of a significant link between Internet banking service and bank perfor-
mance. In addition, Mabrouk and Mamoghli (2010) point out that the primary 
mover of product innovation improves the bank profitability, and the primary 
mover in process innovation has a positive effect on bank profitability and ef-
ficiency. Mabrouk, Dhouibi and Rouetbi (2016) conclude that financial innova-
tion is a value creation instrument for Tunisian banks. Several studies demon-
strate as well that bank performance increase after the adoption of innovation 
(Mustapha, 2018; Chipeta & Muthinja, 2018; Lotto, 2019). Hence, this study hy-
pothesizes the following:

  H1. The financial innovation has a positive impact on the bank performance.

Financial innovation and risk management

Financial innovation is associated with risks (Baiquan & Kebao, 2010) leading 
to bank fragility (Beck et al., 2016). These risks include market risk, credit risk 
and operational risk (Baiquan & Kebao, 2010). Investment in financial inno-
vation reinforces the financial risk management. The risk management is an 
essential part of the innovation lifecycle, and it helps address ambiguity and 
uncertainty. However, a few empirical studies have tested the relationship of 
financial innovation and risk management (Hu, Li & Deng, 2009; Baiquan & Ke-



 finanCial innovation, risk managEmEnt, and Bank PErformanCE 81

bao, 2010; González, Rodríguez Gil, Cunill & Lindahl, 2016). Philippas and Sirio-
poulos (2009) analyze the relationship between financial innovation (process 
/ organizational) and operational risk. Their results indicate that the speed 
of diffusion of financial innovation increases operational risk. González et al. 
(2016) add that securitization increases the overall default risk of European fi-
nancial institutions. The results for study of Zia, Muhammad, Sarwar and Asif 
Raz (2019) identified four areas of impact on credit risk management: corpo-
rate governance exerts the greatest impact, followed by diversification or in-
novation, which plays a significant role, hedging and, finally, the bank’s Capital 
Adequacy Ratio. This study highlights these four risk management strategies, 
which are critical for commercial banks to resolve their credit risk. Mabrouk 
et al. (2016) show that there is a significant direct effect of each innovation 
type (process / product) on credit risk, adopting that product innovation has 
increased the volume of non-performing loans of Tunisian Banks. Therefore, 
we posit the hypothesis as follows:

  H2. The financial innovation has a positive impact on the risk management.

Risk management and bank performance

The traditional role of banking intermediation is changing as the bank is oper-
ating in an uncertain financial environment. Risk management becomes a rele-
vant function reducing the costs and preventing distortions in investment pol-
icy (Stulz, 2016; Ellul, 2015). 

“The risk management as an active, strategic, and integrated process that 
encompasses both the measurement and the mitigation of risk, with the ulti-
mate goal of maximizing the value of a bank” (COSO, 2004). In the institutional 
theory framework, Stulz and Smith (1985) are the first introducing the rele-
vant role of risk management at the firm, enhancing the firm value under ineffi-
ciency of market conditions. The risk management decreases the agency cost of 
equity or debt, and cost transaction. Additionally, the bank uses the risk man-
agement to reduce the cost of financial distress by decreasing the default prob-
ability, and to increase the value of firms and shareholders. 

In the empirical studies, the relationship between risk management and 
bank performance is not usually positive. This is related to different determi-
nants like country of studies. In fact, the risk management reduces the cost, 



Ghazi Zouari, Imen Abdelmalek82

but does not guarantee increase in the return on equity (Olamide, Uwalomwa 
& Ranti, 2015; Mendoza & Rivera, 2017). In recent studies, Zgarni and Hassou-
na (2018) have perceived that prudential rules measured by the solvency ratio 
and liquidity ratio improve the accounting performance of Tunisian banks. On 
the other hand, recent empirical contributions have given proof that the bank 
with Chief Risk Officer (CRO) maintains a positive relationship with bank per-
formance and the value of shareholders (McShane, Nair & Rustambekov, 2011; 
Battaglia, Fiordelisi & Ricci, 2017). In the same context, Fatemi and Fooladi 
(2006) note that effective risk management leads to more balanced trade-off 
between risk and reward, to realize a better position in the future. The studies 
of Hosna, Manzura and Juanjuan (2009), Toutou and Xiaodong (2011) and Zeze 
(2012) found that have a positive correlation between the financial risk man-
agement practices to the financial performance of commercial banks.

In this respect, Wanjohi, Wanjohi and Ndambiri (2017) have discovered that 
an efficient risk management can help banks attenuate their exposure to risk 
and enhance their market competitiveness. Moreover, the study on Malaysian 
banks by Trofimov, Aris and Ying Ying (2018) also shows that the continuing 
need to manage credit risk is among the most important factors that explain 
high bank profitability. For Paroush and Schreiber (2019), there are significant 
relationship between profitability, capital, and risk of US commercial. Further-
more, Lotto (2019) revealed that capital adequacy has a positive relationship 
with bank operating efficiency, and reduce the risk of moral hazard between 
shareholders and dets-holders. 

Findings of Kiambati (2020) and Sathyamoorthi, Mogotsinyana, Mphoeng 
and Mashoko (2020) suggest that commercial banks should strike a proper bal-
ance between financial risk management practices and financial performance 
by engaging in appropriate market, credit, and liquidity risk management prac-
tices that will ensure safety for their banks and yield positive profits. Conse-
quently, we present the following hypothesis:

  H3. The risk management has a positive impact on the bank performance.



 finanCial innovation, risk managEmEnt, and Bank PErformanCE 83

The risk management as a mediator between financial innovation  
and bank performance

The risk management is defined from different angles as institutional, regula-
tory or functional. From the regulatory angle, the risk management is deter-
mined by the prudential rules defined by the Basel Committee. We will focus 
on Basel II/III agreements approved by Tunisian banks. The complexity and dy-
namic of financial innovation have raised an uncertain environment. This un-
certainty is at the origin of the bank’s lack of understanding of the new finan-
cial products, obsolete regulations and excessive risk-taking.

Several research studies show that the financial innovation is associated 
with high risk and contributed to the fragility of banks. According to the study 
of Philippas and Siriopoulos (2009), the diffusion of financial innovation raises 
the operational risk. Hu and Xie (2016) evince that innovation positively affects 
bank risk-taking. In line with these ideas, Wang (2014) argues that the finan-
cial innovation decreases the bank value. Similarly, Chen and Peng (2019) ar-
gue that financial innovation increase banks’ liquidity risk. They conclude that 
banks should ensure an appropriate management of financial innovation to im-
prove their performance.

In other words, the bank should monitor these risks correlated with the 
conf licts of interest between shareholders and stakeholders, and the oppor-
tunistic behavior of agents that could generate agency and transaction costs, 
and information asymmetry. These costs inf luence the profitability of the 
shareholders as well as the firm value, especially in the short term and in the 
long run, without managing the internal and external risks throughout the in-
novation process.

In the governance framework, the financial institutions use risk manage-
ment processes so as to minimize costs and control risks. The risk manage-
ment allows to reduce the cost of investment innovation incurred due to agen-
cy conf lict. Some studies have tested the mediating effect of risk management 
on the relationship between innovation and project management in non-finan-
cial companies (Jordan, Jorgensen & Mitterhoferh, 2013). However, Guermazi 
(2017) has studied the mediating role of risk management in financial corpo-
rations, and has realised that the improvement in insurance and bank quality 
throughout innovation depends on the mediating role of risk management.



Ghazi Zouari, Imen Abdelmalek84

In our paper, we will look for the existence of a mediating effect of risk man-
agement between innovation and the bank performance. Accordingly, we de-
duce the following hypothesis:

  H4. Risk management mediates the relationship between financial innova-
tion and bank performance.

Figure 1. Research Model

mediating effect of risk management on the relationship between innovation and project 

management in non-financial companies (Jordan, Jorgensen & Mitterhoferh, 2013). 

However, Guermazi (2017) has studied the mediating role of risk management in financial 

corporations, and has realised that the improvement in insurance and bank quality 

throughout innovation depends on the mediating role of risk management. 

In our paper, we will look for the existence of a mediating effect of risk management 

between innovation and the bank performance. Accordingly, we deduce the following 

hypothesis: 

H4. Risk management mediates the relationship between financial innovation and bank 

performance.

Figure 1. Research Model 
 
 
      
 

H4 
 
 
 

 
Source: author's modeling, 2019. 

 
RESEARCH METHODOLOGY 
This section aims to test the impact of the characteristics of financial innovation on the 

bank performance. This effect is mediated by risk management. To do this, we will present 

our sample, the response and explanatory variables, and the regression analysis. 

 
Presentation of data and variable measurements 
The data is collected from 10 Tunisian listed commercial banks1 listed on the Tunis Stock 

Exchange. All the relevant data is obtained from the bank annual reports, and reference 

documents of Financial Market Council in the period spanning from 2009 through 2017. 

Our choice of this period is based on the availability of data and it represents a post-

 
1 ATB : Arab Tunisian Bank, BIAT : Banque Internationale Arabe de Tunisie, AB :Amen Bank, UBCI :Union 

Bancaire pour le Commerce et l’Industrie, ATTIJARI :Attijari Bank, UIB :Union Internationale de Banque, 
BT :Banque de Tunisie, BNA :Banque Nationale Agricole, STB :Société Tunisienne de Banque, BH :Banque de 
l’Habitat. 

H2 

H1 

H3 

Risk management 

Financial 
Innovation Bank performance 

Control variables 

S o u r c e : author’s modeling, 2019.

Research methodology

This section aims to test the impact of the characteristics of financial innova-
tion on the bank performance. This effect is mediated by risk management. To 
do this, we will present our sample, the response and explanatory variables, 
and the regression analysis.

Presentation of data and variable measurements

The data is collected from 10 Tunisian listed commercial banks1 listed on the 
Tunis Stock Exchange. All the relevant data is obtained from the bank annu-

1 ATB: Arab Tunisian Bank, BIAT: Banque Internationale Arabe de Tunisie, AB: 
Amen Bank, UBCI: Union Bancaire pour le Commerce et l’Industrie, ATTIJARI: Attijari 
Bank, UIB: Union Internationale de Banque, BT: Banque de Tunisie, BNA: Banque Natio-
nale Agricole, STB: Société Tunisienne de Banque, BH: Banque de l’Habitat.



 finanCial innovation, risk managEmEnt, and Bank PErformanCE 85

al reports, and reference documents of Financial Market Council in the peri-
od spanning from 2009 through 2017. Our choice of this period is based on 
the availability of data and it represents a post-financial crisis period from 
2007/2008 so as not to bias the results by the effect of this crisis on banking 
performance. In sum, the total number of Tunisian banks selected for statis-
tical testing amounts to 10 banks, making up a total number of observations 
equal to 90.

Dependent variables

According to the European Central Bank (ECB, 2010), the bank performance is 
defined as the “capacity to generate sustainable profitability”. Therefore, and 
as in previous studies, we use two measures of bank performance. Following 
Mabrouk and Mamoghli (2010), Zouari and Zouari-Hadiji (2014a; 2014b)2 and 
Wanjohi et al. (2017), the first one is the return on equity as a traditional meas-
ure of performance, ref lecting the ability of a bank to generate profits through 
investment (Return On Assets “ROE” = operating income before depreciation 
and R&D / total equity). The second one is the market to book value as market-
based measures of performance, relating the market value of stockholders’ eq-
uity to its book value (Market to Book “MTB” = market capitalization / book 
value of equity).

Independent variables

Through empirical studies, financial innovation is assessed, using two differ-
ent types of input and output ratios (Stone, Shipp & Leader, 2008), and it is 
measured by three different ways. The first measurement indicator is the in-
novation index (Heffernan, Fu & Fu, 2008) that has been converted into per-
centages to facilitate exposure, and can vary from 0 % to 100%. The second 
measurement indicator is banking channels such as ATM’s, mobile payment, 
call center, mobile banking, Internet banking, POS (point of sale) terminals and 
branch (De Young, Lang & Nolle, 2007; Ciciretti, Hasanand & Zazzara, 2009; 

2 This measurement of the accounting performance has the advantage of eliminat-
ing the effect of accounting choices related to the treatment of R & D in the financial 
statements largely subject to the opportunism of managers.



Ghazi Zouari, Imen Abdelmalek86

Usman, 2016; Tunay, Tunay & Akhisar, 2015). The last measurement one is the 
financial R&D intensity (value added) and the financial R&D intensity (cost) 
(Beck et al., 2016).

Based on indicators of Oslo Manuel via the OECD/Eurostat (2005), we use 
input ratios for the purpose of measuring the financial innovation, ref lecting 
the acquisition of capital goods related to innovation activities. These activities 
include, on the one hand, the acquisition of external knowledge and technology 
(patents, licenses, software, trademarks…) and, on the other hand, the acqui-
sition of machinery, equipment, and other capital goods. FinInn is the ratio of 
the sum of tangible and intangible assets related to innovation to total assets 
(OECD, 2005; Beck et al., 2016).

Mediating variable 

The stability of the bank is linked to an effective risk management through ap-
plying regulatory conditions (Halim, Mustika, Sari, Anugerah & Mohd-Sanusi, 
2017). Risk management is assessed in two different ways: prudential and op-
erational. We use the prudential proxy on the basis of the measure applied on 
the second Basel Accords by Basel Committee (El Attar & Atmani, 2015). We 
take on capital adequacy ratio (CAR), credit risk-weighted asset ratio (CRW) 
and operational risk-weighted asset ratio (ORW) so that we can measure the 
bank risk management.

CAR is a measure of the amount of bank’s core capital expressed as a per-
centage of its risk-weighted asset, determining the bank’s capacity to meet li-
abilities and other risks such as credit and operational risks. CRW is the ratio of 
credit risk-weighted asset to total risk-weighted asset. ORW is the ratio of op-
erational risk-weighted asset to total risk-weighted asset.

Control variables

Control variables are specific to banks which are: non-performing loans (NPLs) 
as the ratio of non-performing loans to total loans, liquidity coverage ratio 
(LCR) as liquid assets to liquid liabilities, operational efficiency (OE) as the ra-
tio of operating incomes to operating expenses (Malhotra & Singh, 2009; Arn-
aboldi & Rossignoli, 2015; Piyananda, Chandrasena & Fernando, 2015).



 finanCial innovation, risk managEmEnt, and Bank PErformanCE 87

Regression model specifications

The empirical study, as undertaken in our work, is based on using hierarchi-
cal regression models3 for the purpose of testing the research of advanced hy-
potheses. For the assumptions made to be assessed via a procedure achievable 
through the construction of four models, it seems necessary to test the exist-
ence of a mediating effect. Baron and Kenny (1986) consider four conditions for 
a complete mediating effect to be checked in terms of CAR, CRW, ORW of the Fi-
nInn- ROA, MTB relationship. These conditions are the following:
 (1) The independent variable (FinInn) has a significant impact on the bank 

performance (ROA, MTB).
 (2) The FinInn significantly inf luences the mediator variable (CAR, CRW, 

ORW).
 (3) When the inf luence of CAR, CRW, ORW on the bank performance is ta-

ken into account, the FinInn will have no significant effect on perfor-
mance.

 (4) The direct effect of FinInn on performance should be null, or reduced 
by the insertion of the mediator variable in order to deduce its media-
ting impact within the relationship.

Econometrically, we first estimate Model 1 with the aim of testing the di-
rect effect of FinInn on bank performance (ROA, MTB), and validating hypoth-
esis (H1).

3 In this work, the treatment of mediating variables should follow the approach de-
vised by Baron and Kenny (1986). This framework, which aims at testing the mediating 
effect, is implemented via a multiple-hierarchical regression. This analysis consists in 
assessing the total effect (cumulative) of the explanatory variables on a certain criteri-
on. The method can be performed on the basis of several steps. Firstly, it undertakes to 
test the predictor effect (independent variable) firstly on the criterion (dependent vari-
able), and secondly on the mediator using partial and simple regressions. Then, the oth-
er relationship has to be tested (predictor and mediator on the criterion). In this case, 
a multiple-hierarchical regression has to be applied. It consists in gradually introduc-
ing certain independent variables into the regression equation: starting with the pre-
dictor and control variables (Step 1), and then the mediating variable (Step 2). Upon 
reaching an increase in the adjusted R² after inserting the mediator, it will be possible 
to assume the mediator effect on the relationship between the predictor and the crite-
rion, Zouari and Zouari-Hadiji (2014a; 2014b). 



Ghazi Zouari, Imen Abdelmalek88

assumptions made to be assessed via a procedure achievable through the construction of 

four models, it seems necessary to test the existence of a mediating effect. Baron and 

Kenny (1986) consider four conditions for a complete mediating effect to be checked in 

terms of CAR, CRW, ORW of the FinInn- ROA, MTB relationship. These conditions are 

the following: 
(1) The independent variable (FinInn) has a significant impact on the bank performance 

(ROA, MTB). 

(2) The FinInn significantly influences the mediator variable (CAR, CRW, ORW). 

(3) When the influence of CAR, CRW, ORW on the bank performance is taken into 

account, the FinInn will have no significant effect on performance. 

(4) The direct effect of FinInn on performance should be null, or reduced by the 

insertion of the mediator variable in order to deduce its mediating impact within the 

relationship. 

Econometrically, we first estimate Model 1 with the aim of testing the direct effect of 

FinInn on bank performance (ROA, MTB), and validating hypothesis (H1). 

𝑃𝑃�� = 𝛼𝛼 𝛼 𝛼𝛼��𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  
Second, we estimate the relationship between FinInn and risk management (CAR, 

CRW, ORW) so as to validate hypothesis (H2) 

𝑅𝑅𝑅𝑅�� = 𝛼𝛼 𝛼 𝛼𝛼��𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  
Afterwards, we estimate the relationship between risk management (CAR, CRW, 

ORW) and bank performance (ROA, MTB) for validating hypothesis (H3) 

𝑃𝑃�� = 𝛼𝛼 𝛼 𝛼𝛼��𝑅𝑅𝑅𝑅�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  
Eventually, we examine the indirect relationship between FinInn and bank performance 

(ROE, MTB), using the effect of risk management (CAR, CRW, ORW) 

𝑃𝑃�� = 𝛼𝛼 𝛼 𝛼𝛼��𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹�� 𝛼 𝛾𝛾��𝑅𝑅𝑅𝑅�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  ( 𝐻𝐻𝐻𝐻 
Pit = Bank performance measured by ROAit and MTBit ratios 

FinInnit = Financial Innovation measured by the ratio = sum of tangible and intangible 

assetit / innovation to total assetit )  

RMit = Risk management measured by CARit ,CRWit and ORWit 

Zit = Control variables measured by NPLit,LCRit and OEit  

   and  , : Parameters to be estimated 

 iε : The random error 

 

Second, we estimate the relationship between FinInn and risk management 
(CAR, CRW, ORW) so as to validate hypothesis (H2)

assumptions made to be assessed via a procedure achievable through the construction of 

four models, it seems necessary to test the existence of a mediating effect. Baron and 

Kenny (1986) consider four conditions for a complete mediating effect to be checked in 

terms of CAR, CRW, ORW of the FinInn- ROA, MTB relationship. These conditions are 

the following: 
(1) The independent variable (FinInn) has a significant impact on the bank performance 

(ROA, MTB). 

(2) The FinInn significantly influences the mediator variable (CAR, CRW, ORW). 

(3) When the influence of CAR, CRW, ORW on the bank performance is taken into 

account, the FinInn will have no significant effect on performance. 

(4) The direct effect of FinInn on performance should be null, or reduced by the 

insertion of the mediator variable in order to deduce its mediating impact within the 

relationship. 

Econometrically, we first estimate Model 1 with the aim of testing the direct effect of 

FinInn on bank performance (ROA, MTB), and validating hypothesis (H1). 

𝑃𝑃�� = 𝛼𝛼 𝛼 𝛼𝛼��𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  
Second, we estimate the relationship between FinInn and risk management (CAR, 

CRW, ORW) so as to validate hypothesis (H2) 

𝑅𝑅𝑅𝑅�� = 𝛼𝛼 𝛼 𝛼𝛼��𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  
Afterwards, we estimate the relationship between risk management (CAR, CRW, 

ORW) and bank performance (ROA, MTB) for validating hypothesis (H3) 

𝑃𝑃�� = 𝛼𝛼 𝛼 𝛼𝛼��𝑅𝑅𝑅𝑅�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  
Eventually, we examine the indirect relationship between FinInn and bank performance 

(ROE, MTB), using the effect of risk management (CAR, CRW, ORW) 

𝑃𝑃�� = 𝛼𝛼 𝛼 𝛼𝛼��𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹�� 𝛼 𝛾𝛾��𝑅𝑅𝑅𝑅�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  ( 𝐻𝐻𝐻𝐻 
Pit = Bank performance measured by ROAit and MTBit ratios 

FinInnit = Financial Innovation measured by the ratio = sum of tangible and intangible 

assetit / innovation to total assetit )  

RMit = Risk management measured by CARit ,CRWit and ORWit 

Zit = Control variables measured by NPLit,LCRit and OEit  

   and  , : Parameters to be estimated 

 iε : The random error 

 

Afterwards, we estimate the relationship between risk management (CAR, 
CRW, ORW) and bank performance (ROA, MTB) for validating hypothesis (H3)

assumptions made to be assessed via a procedure achievable through the construction of 

four models, it seems necessary to test the existence of a mediating effect. Baron and 

Kenny (1986) consider four conditions for a complete mediating effect to be checked in 

terms of CAR, CRW, ORW of the FinInn- ROA, MTB relationship. These conditions are 

the following: 
(1) The independent variable (FinInn) has a significant impact on the bank performance 

(ROA, MTB). 

(2) The FinInn significantly influences the mediator variable (CAR, CRW, ORW). 

(3) When the influence of CAR, CRW, ORW on the bank performance is taken into 

account, the FinInn will have no significant effect on performance. 

(4) The direct effect of FinInn on performance should be null, or reduced by the 

insertion of the mediator variable in order to deduce its mediating impact within the 

relationship. 

Econometrically, we first estimate Model 1 with the aim of testing the direct effect of 

FinInn on bank performance (ROA, MTB), and validating hypothesis (H1). 

𝑃𝑃�� = 𝛼𝛼 𝛼 𝛼𝛼��𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  
Second, we estimate the relationship between FinInn and risk management (CAR, 

CRW, ORW) so as to validate hypothesis (H2) 

𝑅𝑅𝑅𝑅�� = 𝛼𝛼 𝛼 𝛼𝛼��𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  
Afterwards, we estimate the relationship between risk management (CAR, CRW, 

ORW) and bank performance (ROA, MTB) for validating hypothesis (H3) 

𝑃𝑃�� = 𝛼𝛼 𝛼 𝛼𝛼��𝑅𝑅𝑅𝑅�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  
Eventually, we examine the indirect relationship between FinInn and bank performance 

(ROE, MTB), using the effect of risk management (CAR, CRW, ORW) 

𝑃𝑃�� = 𝛼𝛼 𝛼 𝛼𝛼��𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹�� 𝛼 𝛾𝛾��𝑅𝑅𝑅𝑅�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  ( 𝐻𝐻𝐻𝐻 
Pit = Bank performance measured by ROAit and MTBit ratios 

FinInnit = Financial Innovation measured by the ratio = sum of tangible and intangible 

assetit / innovation to total assetit )  

RMit = Risk management measured by CARit ,CRWit and ORWit 

Zit = Control variables measured by NPLit,LCRit and OEit  

   and  , : Parameters to be estimated 

 iε : The random error 

 

Eventually, we examine the indirect relationship between FinInn and bank per-
formance (ROE, MTB), using the effect of risk management (CAR, CRW, ORW)

assumptions made to be assessed via a procedure achievable through the construction of 

four models, it seems necessary to test the existence of a mediating effect. Baron and 

Kenny (1986) consider four conditions for a complete mediating effect to be checked in 

terms of CAR, CRW, ORW of the FinInn- ROA, MTB relationship. These conditions are 

the following: 
(1) The independent variable (FinInn) has a significant impact on the bank performance 

(ROA, MTB). 

(2) The FinInn significantly influences the mediator variable (CAR, CRW, ORW). 

(3) When the influence of CAR, CRW, ORW on the bank performance is taken into 

account, the FinInn will have no significant effect on performance. 

(4) The direct effect of FinInn on performance should be null, or reduced by the 

insertion of the mediator variable in order to deduce its mediating impact within the 

relationship. 

Econometrically, we first estimate Model 1 with the aim of testing the direct effect of 

FinInn on bank performance (ROA, MTB), and validating hypothesis (H1). 

𝑃𝑃�� = 𝛼𝛼 𝛼 𝛼𝛼��𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  
Second, we estimate the relationship between FinInn and risk management (CAR, 

CRW, ORW) so as to validate hypothesis (H2) 

𝑅𝑅𝑅𝑅�� = 𝛼𝛼 𝛼 𝛼𝛼��𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  
Afterwards, we estimate the relationship between risk management (CAR, CRW, 

ORW) and bank performance (ROA, MTB) for validating hypothesis (H3) 

𝑃𝑃�� = 𝛼𝛼 𝛼 𝛼𝛼��𝑅𝑅𝑅𝑅�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  
Eventually, we examine the indirect relationship between FinInn and bank performance 

(ROE, MTB), using the effect of risk management (CAR, CRW, ORW) 

𝑃𝑃�� = 𝛼𝛼 𝛼 𝛼𝛼��𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹�� 𝛼 𝛾𝛾��𝑅𝑅𝑅𝑅�� 𝛼 𝛿𝛿�𝑍𝑍�� 𝛼 𝜀𝜀��  ( 𝐻𝐻𝐻𝐻 
Pit = Bank performance measured by ROAit and MTBit ratios 

FinInnit = Financial Innovation measured by the ratio = sum of tangible and intangible 

assetit / innovation to total assetit )  

RMit = Risk management measured by CARit ,CRWit and ORWit 

Zit = Control variables measured by NPLit,LCRit and OEit  

   and  , : Parameters to be estimated 

 iε : The random error 

 

Pit = Bank performance measured by ROAit and MTBit ratios

FinInnit = Financial Innovation measured by the ratio = sum of tangible and in-
tangible assetit / innovation to total assetit ) 

RMit = Risk management measured by CARit ,CRWit and ORWit
Zit = Control variables measured by NPLit,LCRit and OEit 

 ■ β, γ and α : Parameters to be estimated
 ■ ε1 : The random error

Analyses

In order to test the hypothetical relationships, our research has followed the 
commonly established two-stage procedure. The first stage is the descriptive 
statistics and correlation results. Indeed, the normality of the variables is sup-
posed to be checked because the number of observations is greater than 30. 



 finanCial innovation, risk managEmEnt, and Bank PErformanCE 89

According to the Pearson correlation, as shown in table 1, there are no corre-
lations exceeding 0.5 between our explanatory variables, which means the ab-
sence of multi-collinearity problems between the independent variables.

Table 1. Descriptive statistics and Pearson correlation matrix

Mean (s.d)a 1 2 3 4 5 6 7

 ROE 0.12 0.11 - - - - - - -

 MTB 1.51 0.97 - - - - - - -

1 FinInn 0.09 0.11 1

2 CAR 0.11 0.03 -0.103 1

3 CRW 0.89 0.11 0.032 -0.0003 1

4 ORW 0.09 0.02 0.1427 0.151 -0.184 1

5 NPL 0.13 0.09 -0.196 -0.221 0.025 -0.463 1

6 LCR 1.08 0.43 -0.0111 0.184 0.020 0.284 -0.119 1

7 OE 3.28 5.17 -0.122 -0.249 -0.018 -0.291 0.291 -0.167 1

N o t e : aStandard deviation. All correlations between variables are significantly smaller than 0.6 
(threshold at which we begin to experience serious problems of multi-colinearity). In the Pearson 
test and the index of conditioning, we have found that these variables are distinct from each oth-
er and are not significant (correlation thresholds are above 10% ,and the packaging is less than 
1000).

S o u r c e : author’s computation, 2019.

In the second stage, the relationship between the variables are analysed by us-
ing Panel data, following the method of Baron and Kenny (1986). To start with, 
the test of homogeneity is conducted to validate the existence of individual ef-
fects in models. Referring to table 2, the results show that the p-values associ-
ated with the F-statistic calculated for each model are less than 1% and 10%, 
except for models 4 and 10 which do not require specific effects. These two 
models will be estimated with pooled OLS regression. 

The second specification test determines the nature of the specific effects 
to be either of random or fixed type. The Hausman test is the most appropri-
ate one to specify the preferred model. The null hypotheses of models 2 and 11 
which are rejected (p-values < 1%) are estimated by the fixed effects. Given 
these results, the final model to be estimated will be a heterogeneous panel of 
random effects for 1,3,5,6,7,8,9 models.



Ghazi Zouari, Imen Abdelmalek90

Aiming to achieve better results, we need to check the problem of heter-
oscedasticity and autocorrelation of errors. The Breush-Pagan test accepts 
the null hypothesis for models 2,3,4,5,9,10 whereas for models 1,6,7,8,11, the 
test detects heteroskedasticity problems (p-values are less than 5%).The in-
tra-individual autocorrelation test by Wooldrigde (2002) spots an autocorre-
lation problem for models 2,5,7,8,9,11, and no serial autocorrelation for models 
1,3,4,6,10.

Eventually, the Panel of models 4 and 10 are evaluated by pooled OLS re-
gression. The Panel models 3,2,5,9 are homoscedastic and uncorrelated, and 
are estimated by fixed effects / random effects with an autocorrelation correc-
tion if necessary for models 2,5 and 9. Models 1 and 6 are characterized by the 
presence of a heteroskedasticity problem and lack of autocorrelation. We use 
the model of random effects in order to correct the heteroskedasticity prob-
lem, and to correct the standard deviations by the Eicker-White method with 
the “robust” option. Models 7,8 and 11 present a problem of heteroscedasticity 
and autocorrelation of the residues. In this regression, the method of clustered 
standard errors is applied for correcting standard deviations of heteroscedas-
ticity and autocorrelation.

Results and discussions

With the intention of testing the research hypothesis, multiple regression anal-
ysis is performed, and the outcomes are displayed in table 2. In model 1, the 
study estimates the effect of financial innovation on the bank performance to 
assess H1. The regression analysis in model 1 provides different results across 
the samples. The overall quality of the model is significantly acceptable. Howev-
er, the findings show that there is a non-significant relationship between finan-
cial innovation and ROE while there is a positive relationship between financial 
innovation and MTB (ẞ= 1.48, p < 0.01). The first hypothesis applying that fi-
nancial innovation positively inf luences the MTB is supported. These findings 
confirm the previous studies such as of Mabrouk and Mamoghli (2010), Xiang-
ying, Yueyan and Xianhua (2015) and Aayale (2017). The positive effect thus 
found reinforces the assertions of Mustapha (2018) that investment in innova-
tion enhances bank performance. However, there is no impact of financial inno-
vation on ROE. These outcomes are inconsistent with prior results (De Young, 
Lang & Nolle, 2007; Mabrouk & Mamoghli, 2010; Chipeta & Muthinja, 2018).



 finanCial innovation, risk managEmEnt, and Bank PErformanCE 91

In model 2, the study estimates the effect of financial innovation on risk 
management to evaluate H2. The overall quality of model 2 is significantly ac-
ceptable (chi2=43.10, F=2.52, chi2=252.59,  p<1%), but the F-statistic is insig-
nificant for the credit risk management variable (F=2.52, p >10%).

In condition 2, the analysis records negative and significant beta coeffi-
cients across CAR and ORW, which is not verified for credit risk management. 
As a matter of fact, this result partially validates H2, and confirms the findings 
in the previous empirical research stating that innovation inf luences risk man-
agement (Philippas & Siriopoulos, 2009; Mabrouk et al., 2016; Zia et al., 2019).

Our research seeks to assess the mediating impact of risk management on 
the relationship between financial innovation and bank performance in H2 
and H3. The overall quality of models 3, 4 and 5 is significantly acceptable, but 
only for model 3, the relationship between risk management and bank perfor-
mance is insignificant (t=0.701, t=0.45, p>10%). At the detailed level, the im-
pact of risk management on bank performance shows a positive relationship 
between financial risk management and bank performance. The findings pro-
vide evidence that the assertion made by Fatemi and Fooladi (2006), Hosna et 
al. (2009), Toutou and Xiaodong (2011), Zeze (2012), Trofimov et al. (2018) and 
Zgarni and Hassouna (2018) sets out that risk management improves the bank 
performance. Similarly, the research of Kiambati (2020) and Sathyamoorthi et 
al. (2020) demonstrated that there is a relationship between credit risk and 
shareholder market value among the commercial banks.

But there is an insignificant relationship between CAR and bank perfor-
mance, these results are consistent with the findings of Mendoza and Rivera 
(2017) who found that capital adequacy has no significant effect of bank prof-
itability while, they findings contradict the empirical studies of Wang (2014) 
and Lotto (2019).

Considering the fact that the first and the second conditions are met, the 
study performs the mediating effect in models 3, 4 and 5. If a non-significant 
coefficient is found for the dependent variable (bank performance) as the me-
diator (risk management) is introduced into the equation, full mediation will 
occur. If the coefficient of the dependent variable remains significant in the 
presence of the mediator variable in models 3, 4 and 5, partial mediation will 
take place. Models 3 and 4 test the mediating effect of credit risk management, 
and total risk management shows there is a direct relationship between fi-
nancial innovation and MTB, but a lack of relationship between financial in-
novation and ROE. Model 5 assesses the mediating impact of operational risk 



Ghazi Zouari, Imen Abdelmalek92

management, and proves that operational risk management partially mediates 
the relationship between financial innovation and stock market performance. 
However, there is no effect with the ROE. These results are consistent with the 
findings of Guermazi (2017) who finds out that risk management mediates in-
novation, and service quality of banks and insurance.

Our paper has shown and corroborated that the more the bank innovates, 
the greater it improves its market value. Moreover, the research in the banking 
sector is usually interested in financial risk even though the operational risk is 
becoming relevant in an uncertain environment. Our article accounts for the 
impact of operational risk management on market performance, which relates 
to the credibility of information and the reputation of banks.

Banks in Tunisia should focus more attention on capacity building and spe-
cial training of bank managers whose function relate to financial innovations, 
credit and loans to serve as a conduit of giving them sufficient knowledge on 
how to deal with innovation issues and mitigate risks faced by these banks in 
order to improve their performance.

In addition, banks should do more efforts for contribute to revitalize the 
growth of the economy by investing in research and development and manag-
ing risks effectively in order to increase the performance.

 Conclusions

Our paper reports the results of an empirical model including financial innova-
tion, risk management and bank performance of 10 Tunisian listed commercial 
banks. A theoretical framework has been empirically tested, and the main pur-
pose of our study is to investigate the mediating role of risk management be-
tween financial innovation and bank performance. 

Our findings support the four hypotheses specified, and indicate a signifi-
cant implication for the theory and empirical research. The initial hypothesis 
confirms a positive and significant relationship between financial innovation 
and market performance. On the other hand, the result shows there is a non-sig-
nificant relationship between financial innovation and financial performance, 
which contradicts previous empirical research. In hypothesis 2, there is a posi-
tive and significant relationship between Financial innovation, operational risk 
management and capital adequacy ratio. We also find a non-significant rela-
tionship between financial innovation and credit risk management. In hypoth-



 finanCial innovation, risk managEmEnt, and Bank PErformanCE 93

esis 3, we prove that the relationship is positive and significant between opera-
tional risk management and bank performance as well as between credit risk 
management and financial performance. This hypothesis is not supported for 
global risk management. In hypothesis 4, we have provided evidence that there 
is a partial mediating effect of operational risk management between financial 
innovation and bank performance. In addition, we also find out an indirect rela-
tionship between financial innovation and market performance through credit 
risk management. 

The findings of the study are significant as Tunisian commercial banks will 
understand the effectiveness of various risk management strategies (especial-
ly, innovation) and may apply them for minimizing risks incurred and enhance 
their market competitiveness. 

Like any other research, this study has some limitations, and presents some 
new opportunities for future studies. Our findings can be generalized to other 
countries. Future studies may seek an alternative dataset such as a survey, can 
use an analysis method like a structural equation modeling and might apply 
our research in Islamic banks. Eventually, a theoretical model can also be ex-
tended by integrating a different typology of financial innovation such as prod-
uct innovation, process innovation and organizational innovation.



Ghazi Zouari, Imen Abdelmalek94
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 finanCial innovation, risk managEmEnt, and Bank PErformanCE 95

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