00424nam a2200157 a 450000500170000008200170001710000200003424500390005426000210009330000230011463000220013796400160015999700120017599900170018795200620020420251203091216.0 a331.137bKNI aKnight K. G.d_ aUnemployment: an economic analysis aCroom Helmc1987 a411 p.c22 cm.bPB aEconomic analysis bcdefg_ a37528 C c33918d33918 00104070aPUbPUd2000-01-06l0o331.137 KNIp37528yBK