In Chamberlinian monopolistic competition every one of the firms have some monopoly power, but entry drives monopoly profits to zero.[1] The concept gets its name from Edward Chamberlin.

One example where Chamberlinian monopolistic competition can be experienced is the book market. A publisher has a factual monopoly over certain titles via intellectual property rights. A book is an experience good and finding perfect legal substitutes on the market while the publisher's rights are in effect is impossible. This however doesn't lead to high monopoly profits on any particular titles while close substitutes are available. A best-seller cookbook for Asian cuisine still competes with other cookbooks about Asian cuisine as well as the whole cookbook genre.[2]

Chamberlain's approach to monopoly theory is often compared to Joan Robinson's 1933 book The Economics of Imperfect Competition, where she coined the term "monopsony." Monopsony is used to describe the buyer converse of a seller monopoly. Monopsony is commonly applied to buyers of labour, where the employer has wage setting power that allows it to exercise Pigouvian exploitation[3] and pay workers less than their marginal productivity. Robinson used monopsony to describe the wage gap between women and men workers of equal productivity.[4]

References

  1. ↑ Brakman, Steven (2004). The Monopolistic Competition Revolution in Retrospect. Cambridge, United Kingdom: Cambridge University Press. p. 16. ISBN 978-0-521-81991-6.
  2. ↑ Canoy, M. F. M.; Van Der Ploeg, Rick; Van Ours, Jan C. (February 2005). "The Economics of Books".
  3. ↑ Persky, Joseph; Tsang, Herbert (1974). "Pigouvian Exploitation of Labor". The Review of Economics and Statistics. 56 (1): 52–57. doi:10.2307/1927526. JSTOR 1927526.
  4. ↑ Oaxaca, R.L. "Notes on Monopsony Model of Gender Wage Gaps" (PDF). University of Arizona. Retrieved 2022-04-04.


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