RT Journal Article SR Electronic T1 The Effects of Progressive Taxation on Labor Supply when Hours and Wages Are Jointly Determined JF Journal of Human Resources JO J Hum Resour FD University of Wisconsin Press SP 386 OP 408 DO 10.3368/jhr.44.2.386 VO 44 IS 2 A1 Daniel Aaronson A1 Eric French YR 2009 UL http://jhr.uwpress.org/content/44/2/386.abstract AB This paper extends a standard intertemporal labor supply model to account for progressive taxation as well as the joint determination of hourly wages and hours worked. We show that these two factors can have implications for both estimating labor supply elasticities as well as for using these elasticities in tax analysis. Failure to account for wage-hours ties and progressive taxation may cause the hours response to marginal tax rate changes to be understated by 5 to 30 percent for men.