Scandinavian Working Papers in Economics

Working Papers in Economics,
University of Bergen, Department of Economics

No 01/03: A panel data study of physicians’ labor supply: The case of Norway

Badi H. Baltagi (), Espen Bratberg () and Tor Helge Holmås ()
Additional contact information
Badi H. Baltagi: Department of Economics, Texas A&M University, Postal: College Station, Texas 77843-4228, USA
Espen Bratberg: University of Bergen, Department of Economics, Postal: Hermann Fossgt. 6, N-5007 Bergen, Norway
Tor Helge Holmås: Programme for Health Economics in Bergen, University of Bergen, Postal: Department of Economics, Hermann Fossgt. 6,, N-5007 Bergen, Norway

Abstract: Physicians are key personnel in a sector which is important due to its size as well as the quality of service it provides. We estimate the labor supply of physicians employed at hospitals in Norway, using personnel register data merged with other public records. A dynamic labor supply equation is estimated using a sample of 1303 physicians observed over the period 1993-97. The methods of estimation are GMM and system GMM. We reject the static model in favor of a dynamic model and obtain a long-run wage elasticity of about 0.55. This is considerably higher than previously estimated for physicians, in particular for those who are not self-employed.

Keywords: Physicians; labor supply; dynamic panel data.

JEL-codes: I10; J22; J44

22 pages, February 13, 2003

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