id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fbem-1472	Liu, Yixuan	Correlation Analysis between Stock Index and Spot Index: An Empirical Study Based on VECM Model	2022	4	.pdf	application/pdf	3064	146	52	At the same time, the birth of stock index futures has become the most effective right- hand man of modern portfolio theory. The emergence of stock index futures just makes up for this defect [8].	cache/fbem-1472.pdf	txt/fbem-1472.txt