id	keyword
hungeobull-9035	unemployment
hungeobull-9035	regions
hungeobull-9035	okun
hungeobull-9035	rate
hungeobull-9035	regional
hungeobull-9035	level
hungeobull-9035	relationship
hungeobull-9035	models
hungeobull-9035	spatio
hungeobull-9035	unemployment rate
hungeobull-9035	law
hungeobull-9035	growth
hungeobull-9035	doi