Self/paid-employment, public/private sector selection, and wage differentials
AuthorChristofides, Louis N.
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We use Probit models to account for the double selection problem of choice between, on the one hand, self- and paid-employment and, on the other, employment in the public and private sector. These models provide corrections for sample selection in wage equations for paid employees in the public and private sectors. Using a modified version of the Oaxaca and Ransom [J. Econom. 61 (1994) 5] procedure, we decompose the wage gap between the public and private sectors into a portion attributable to differences in characteristics, the public sector advantage, the private sector disadvantage and unobserved selection effects. Rich data for the Republic of Cyprus, a thriving economy with institutional features reminiscent of a developing economy, help determine the choice of type (self/paid) and sector (public/private) of employment. The human capital model describes the wage determination process satisfactorily. The size and distribution of public sector rents between men and women are similar to those in North America and are bracketed by results for developing countries. © 2002 Elsevier Science B.V. All rights reserved.