We construct a theoretical model of the dynamic processes (firm entry, growth, decline, and exit) that underpin the determination of a limiting firm size distribution (FSD). In particular, we model such dynamic processes using key structural parameters; sunk cost, exogenous entry constraints, and opportunity values of finite duration. The limiting FSD we derive, in steady state, turns out to be a combination of a Logarithmic and Zipf distribution. We estimate these structural parameters using long periods of Irish company data for defined cohorts of firms, in terms of trade orientation, within narrowly defined industries. Within non-exporting and exporting samples of companies our model fits the actual FSD well with a good return to the Zipf distribution in the upper tail, that is less dependent on the estimated structural parameters, and a good return at the lower tail, where the Logarithmic effects are endogenously driven by firm heterogeneity in estimated structural parameters.
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Paper provided by Geary Institute, University College Dublin in its series Working Papers with number
200920.
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Hart, Peter E & Oulton, Nicholas, 1996.
"Growth and Size of Firms,"
Economic Journal,
Royal Economic Society, vol. 106(438), pages 1242-52, September.
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