Petri Böckerman Labour Institute for Economic Research   Pitkänsillanranta 3A Helsinki, 00530 Finland   petri.bockerman@labour.fi   http://www.labour.fi/english/about/about.htm       Primary Research Focus: Regional labour markets, working hours, job and worker flows, compensating wage differentials and job satisfaction   JEL Areas: J0 : Labor and Demographic Economics: General R0 : Urban, Rural, and Regional Economics: General