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Vertical Differentiation With A Positional Good

  • L. Lambertini
  • R. Orsini

We investigate the role of positional effects in a market for vertically differentiated goods. We consider the two alternative settings, a single-product monopoly and a single-product duopoly. We evaluate the performance of both regimes against social planning. Contrary to conventional wisdom, we establish that it can be socially inefficient to expand the product range.

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Paper provided by Dipartimento Scienze Economiche, Universita' di Bologna in its series Working Papers with number 306.

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Date of creation: Dec 1998
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Handle: RePEc:bol:bodewp:306
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  1. Cremer, H. & Thisse, J.-F., . "Commodity taxation in a differentiated oligopoly," CORE Discussion Papers RP 1112, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  2. CHAMPSAUR, Paul & ROCHET, Jean-Charles, . "Multiproduct duopolists," CORE Discussion Papers RP 854, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  3. Mussa, Michael & Rosen, Sherwin, 1978. "Monopoly and product quality," Journal of Economic Theory, Elsevier, vol. 18(2), pages 301-317, August.
  4. Sheshinski, Eytan, 1976. "Price, Quality and Quantity Regulation in Monopoly Situations," Economica, London School of Economics and Political Science, vol. 43(17), pages 127-37, May.
  5. Ecchia, Giulio & Lambertini, Luca, 1997. "Minimum Quality Standards and Collusion," Journal of Industrial Economics, Wiley Blackwell, vol. 45(1), pages 101-13, March.
  6. Itoh, Motoshige, 1983. "Monopoly, product differentiation and economic welfare," Journal of Economic Theory, Elsevier, vol. 31(1), pages 88-104, October.
  7. Frank, Robert H, 1985. "The Demand for Unobservable and Other Nonpositional Goods," American Economic Review, American Economic Association, vol. 75(1), pages 101-16, March.
  8. Ireland, Norman J., 1994. "On limiting the market for status signals," Journal of Public Economics, Elsevier, vol. 53(1), pages 91-110, January.
  9. Crampes, C. & Hollander, A., 1992. "Duopoly and Quality Standards," Papers 92.g, Toulouse - GREMAQ.
  10. Luca LAMBERTINI, 1997. "The multiproduct monopolist under vertical differentiation : An inductive approach," Discussion Papers (REL - Recherches Economiques de Louvain) 1997021, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
  11. H. Leibenstein, 1950. "Bandwagon, Snob, and Veblen Effects in the Theory of Consumers' Demand," The Quarterly Journal of Economics, Oxford University Press, vol. 64(2), pages 183-207.
  12. A. Michael Spence, 1975. "Monopoly, Quality, and Regulation," Bell Journal of Economics, The RAND Corporation, vol. 6(2), pages 417-429, Autumn.
  13. Jaskold Gabszewicz, Jean & Shaked, Avner & Sutton, John & Thisse, Jacques-Francois, 1986. "Segmenting the market: The monopolist's optimal product mix," Journal of Economic Theory, Elsevier, vol. 39(2), pages 273-289, August.
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