@TechReport{iza:izadps:dp4281,
            	author={Bargain, Olivier B.},
            	title={Flexible Labor Supply Models},
            	year={2009},
	month={Jul},
            	institution={Institute of Labor Economics (IZA)},
            	address={Bonn},
            	type={IZA Discussion Paper},
            	number={4281},
            	url={https://www.iza.org/publications/dp4281},
	abstract={Discrete-choice models of labor supply have become very popular for ex ante evaluations of policy reforms as they easily account for non-convex budget sets. We test the constraints imposed in practice on these models and suggest a fully flexible model that significantly improves fit.},
	keywords={labor supply;multinomial logit;taxation},
            }