We contrast two potential explanations of the substantial differences in entrepreneurial activity observed across geographical areas: entry costs and external effects. We extend the Lucas model of entrepreneurship to allow for heterogeneous entry costs and for externalities that shift the distribution of entrepreneurial talents. We show that these assumptions have opposite predictions on the relation between entrepreneurial activity and rm level TFP: with different entry costs, in areas with more entrepreneurs rms’ average productivity should be lower; with heterogeneous external effects it should be higher. We test these implications on a sample of Italian rms and unambiguously reject the entry costs explanation in favor of the externalities explanation. We also investigate the sources of external effects, nding robust evidence that learning externalities are an important determinant of cross-sectional differences in entrepreneurial activity.

What determines entrepreneurial clusters? / Schivardi, Fabiano; Guiso, L.. - In: JOURNAL OF THE EUROPEAN ECONOMIC ASSOCIATION. - ISSN 1542-4766. - 9:(2011), pp. 61-86.

What determines entrepreneurial clusters?

SCHIVARDI, FABIANO;
2011

Abstract

We contrast two potential explanations of the substantial differences in entrepreneurial activity observed across geographical areas: entry costs and external effects. We extend the Lucas model of entrepreneurship to allow for heterogeneous entry costs and for externalities that shift the distribution of entrepreneurial talents. We show that these assumptions have opposite predictions on the relation between entrepreneurial activity and rm level TFP: with different entry costs, in areas with more entrepreneurs rms’ average productivity should be lower; with heterogeneous external effects it should be higher. We test these implications on a sample of Italian rms and unambiguously reject the entry costs explanation in favor of the externalities explanation. We also investigate the sources of external effects, nding robust evidence that learning externalities are an important determinant of cross-sectional differences in entrepreneurial activity.
ENTREPRENEURSHIP; CLUSTERS; TFP
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11385/59912
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