The Returns to Education in Entrepreneurship: Heterogeneity and Non- Linearities

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Abstract

The returns to education in self-employment are addressed in four different specifications of the relationship between log income and years of schooling. The specifications range from a standard Mincer equation with a constant percentage increase in income to an additional year of schooling to the most flexible specification with dummy variables for the different number of years of schooling split into different types of education. Based on the more flexible specifications,important non-linearities and heterogeneity in the returns to education in self-employment are found. These results are robust across different estimation methods: OLS; Heckit correction models to handle sample selection; and IV to deal with the potential endogeneity of years of schooling. Moreover, the results are insensitive to the use of different sample years, different definitions of self-employment, and different income measures for the self-employed.
Original languageEnglish
Place of PublicationFrederiksberg
PublisherCentre for Economic and Business Research, Copenhagen Business School
Number of pages46
Publication statusPublished - 2010

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