Statistical Properties of Business Firms Structure and Growth
We analyze a database comprising quarterly sales of 55624 pharmaceutical products commercialized by 3939 pharmaceutical firms in the period 1992-2001. We study the probability density function (PDF) of growth in firms and product sales and find that the width of the PDF of growth decays with the sales as a power law with exponent agrave;3B2 = 0.20 plusmn; 0.01. We also find that the average sales of products scales with the firm sales as a power law with exponent agrave;3B1 = 0.57 plusmn; 0.02. And that the average number products of a firm scales with the firm sales as a power law with exponent agrave;3B3 = 0.42 plusmn; 0.02. We compare these findings with the predictions of models proposed till date on growth of business firms
Year of publication: |
[2007]
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Authors: | Matia, Kaushik |
Other Persons: | Fu, Dongfeng (contributor) ; Pammolli, Fabio (contributor) ; Buldyrev, Sergey (contributor) ; Riccaboni, Massimo (contributor) ; Stanley, H. Eugene (contributor) |
Publisher: |
[2007]: [S.l.] : SSRN |
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