id	keyword
hi-55	exchange rate
hi-55	granger
hi-55	cause
hi-55	rate volatility
hi-55	causality
hi-55	countries
hi-55	income
hi-55	panel
hi-55	granger causality
hi-55	results
hi-55	lexrv
hi-55	level
hi-55	rate level
hi-55	panel granger
hi-55	income countries
hi-55	indicators
hi-55	journal
hi-55	run
hi-55	reject