We introduce a model of proportional growth to explain the distribution of business firm growth rates. The model predicts that it is exponential in the central part and depicts an asymptotic power-law behavior in the tails with an exponent ζ = 3. Because of data limitations, previous studies in this field have been focusing exclusively on the Laplace shape of the body of the distribution. In this article, we test the model at different levels of aggregation in the economy, from products to firms to countries, and we find that the model’s predictions agree with empirical growth distributions and size-variance relationships.
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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number
15905.
Length: Date of creation: 2005 Date of revision: Publication status: Published in Proceedings of the National Academy of Sciences 52.102(2005): pp. 18801-18806 Handle: RePEc:pra:mprapa:15905
Find related papers by JEL classification: D21 - Microeconomics - - Production and Organizations - - - Firm Behavior L25 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Performance O47 - Economic Development, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - Measurement of Economic Growth; Aggregate Productivity; Cross-Country Output Convergence D39 - Microeconomics - - Distribution - - - Other E01 - Macroeconomics and Monetary Economics - - General - - - Measurement and Data on National Income and Product Accounts and Wealth L00 - Industrial Organization - - General - - - General L60 - Industrial Organization - - Industry Studies: Manufacturing - - - General L65 - Industrial Organization - - Industry Studies: Manufacturing - - - Chemicals; Rubber; Drugs; Biotechnology L16 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Industrial Organization and Macroeconomics; Macroeconomic Industrial Structure E17 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Forecasting and Simulation
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