Conclusions
We have assumed a specific statistical process which governs the competition among firms on the market.
This process assumes that the consumer choice in the market is the decisive factor in determining size distributions. There are clearly many other relations e. g. between firms that are important for the process. We have assumed that they are of minor importance.
We have assumed that the size distribution has reached an equilibrium and it is this equilibrium that we have studied. This is at best only true approximately. An extension of the presentation above would be to study non-equilibrium situations (open systems) which has proved to be fruitful in other contexts.
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Näslund, B. Size distributions and the optimal size of firms. Zeitschr. f. Nationalökonomie 30, 271–282 (1970). https://doi.org/10.1007/BF01289240
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DOI: https://doi.org/10.1007/BF01289240