id	keyword
ejsice-9267	et al
ejsice-9267	economy
ejsice-9267	indicators
ejsice-9267	journal
ejsice-9267	analysis
ejsice-9267	level
ejsice-9267	doi
ejsice-9267	china
ejsice-9267	ce indicators
ejsice-9267	approach
ejsice-9267	european
ejsice-9267	study
ejsice-9267	cluster
ejsice-9267	production