id	keyword
bae-3269	price
bae-3269	maize
bae-3269	volatility
bae-3269	maize price
bae-3269	malawi
bae-3269	market
bae-3269	price volatility
bae-3269	food
bae-3269	economy
bae-3269	series
bae-3269	welfare
bae-3269	time
bae-3269	variance
bae-3269	cost
bae-3269	level
bae-3269	term
bae-3269	analysis
bae-3269	garch
bae-3269	model
bae-3269	paper
bae-3269	data