We build a life cycle model of labor supply that incorporates changes along both the intensive and extensive margin and use it to assess the consequences of changes in tax and transfer policies on equilibrium hours of work. We find that changes in taxes have large aggregate effects on hours of...

High unemployment in many European OECD countries has been attributed to factors ranging from rigid wages and low job mobility to an interaction of high taxes and generous social benefits that may discourage labor force participation and encourage the growth of an underground economy. This...