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Multi-Product Firms and Product Switching

Author

Listed:
  • Bernard, Andrew
  • Redding, Stephen
  • Schott, Peter
Abstract
This paper examines the frequency, pervasiveness and determinants of product switching among U.S. manufacturing firms. We find that two-thirds of firms alter their mix of five-digit SIC products every five years, that one-third of the increase in real U.S. manufacturing shipments between 1972 and 1997 is due to the net adding and dropping of products by survivors, and that firms are more likely to drop products which are younger and have smaller production volumes relative to other firms producing the same product. The product-switching behaviour we observe is consistent with an extended model of industry dynamics emphasizing firm heterogeneity and self-selection into individual product markets. Our findings suggest that product switching contributes towards a reallocation of economic activity within firms towards more productive uses.

Suggested Citation

  • Bernard, Andrew & Redding, Stephen & Schott, Peter, 2006. "Multi-Product Firms and Product Switching," CEPR Discussion Papers 5708, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:5708
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    More about this item

    Keywords

    Heterogeneous firms; Product differentiation; Product market entry and exit;
    All these keywords.

    JEL classification:

    • D21 - Microeconomics - - Production and Organizations - - - Firm Behavior: Theory
    • E23 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Production
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
    • L60 - Industrial Organization - - Industry Studies: Manufacturing - - - General

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