id	keyword
easat-10916	class
easat-10916	middle
easat-10916	income
easat-10916	polarization
easat-10916	economic
easat-10916	model
easat-10916	vol
easat-10916	unemployment
easat-10916	growth
easat-10916	countries
easat-10916	effects
easat-10916	authors
easat-10916	table
easat-10916	inequality
easat-10916	country