John K. Dagsvik and Steinar Strøm, "Sectoral Labor Supply, Choice Restrictions and Functional Form", Journal of Applied Econometrics, Vol. 21, No. 6, 2006, pp. 803-826. The data used in the article consist of a merged sample from "Survey of income and Wealth", 1994, Statistics Norway, and "Level of living conditions", 1995, Statistics Norway. This is a confidential data source administered by John K. Dagsvik Research Department, Statistics Norway P.O. Box 8131 Dep. N-0033 Oslo, Norway Email: john.dagsvik@ssb.no Permission to use this data source should be directed to Statistics Norway through John K. Dagsvik. Please address any questions to: John K. Dagsvik Email: john.dagsvik [at] ssb.no