00554pab a2200181 454500008004000000100002200040245008800062260000900150300001400159362000800173650002800181650003300209650002900242650003400271650001800305700002000323773002900343180718b2001   xxu||||| |||| 00| 0 eng d  aBlanchard, Oliver  aWhat hides behind an unemployment rate: comparing Portuguess and U.S. labour market  c2001  ap.187-207  aMar  aUnemployment - Portugal  aUnemployment - United States  aLabour market - Portugal  aLabour market - United States  aLabour market  aPortugal, Pedro  aAmerican Economic Review