id	keyword
ejge-4316	growth
ejge-4316	population
ejge-4316	urbanization
ejge-4316	south
ejge-4316	asia
ejge-4316	run
ejge-4316	panel
ejge-4316	data
ejge-4316	study
ejge-4316	world
ejge-4316	relationship
ejge-4316	test