id	keyword
amfbr-2071	market
amfbr-2071	stock
amfbr-2071	finance
amfbr-2071	volatility
amfbr-2071	investors
amfbr-2071	theory
amfbr-2071	stock market
amfbr-2071	test
amfbr-2071	information
amfbr-2071	prices
amfbr-2071	capital
amfbr-2071	returns
amfbr-2071	study
amfbr-2071	investment
amfbr-2071	walk
amfbr-2071	hypothesis
amfbr-2071	capital market
amfbr-2071	review
amfbr-2071	countries
amfbr-2071	journal
amfbr-2071	market hypothesis