1. Labor supply preferences, hours constraints, and hours-wage trade-offs;Altonji;J. Labor Econ.,1988
2. Selection on observed and unobserved variables;Altonji;J. Polit. Econ.,2005
3. Mostly Harmless Econometrics: An Empiricist׳s Companion;Angrist,2009
4. The determination of daily hours and wages;Barzel;Q. J. Econ.,1973
5. Beck-online, 2015. Die Datenbank - Gesetz über den Ladenschluss. 〈https://beck-online.beck.de/default.aspx?bcid=Y-100-G-LadSchlG (last accessed: 06/20/2015).