rising occupational and industry mobility in the united states 1968 1997 gueorgui kambourov university of toronto iourii manovskii pennsylvania first version may 4 2001 this june 5 2005 abstract we document analyze high level substantial increase worker over period at various levels aggregation is important light our related result that human capital workers largely occupation specific to control for measurement error coding develop a method utilizes retrospective supplemental data files newly released by panel study income dynamics allows us obtain most reliable estimates available literature emphasize importance these findings understanding number issues such as changes wage inequality aggregate productivity job stability life cycle earnings profiles jel classification e20 e24 e30 j24 j44 j62 keywords sectoral reallocation numerous individuals provided comments suggestions improved paper are particularly indebted andr es erosa tim kehoe miana plesca todd stinebrickner gustavo