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What's the Big Idea? Multi-Function Products, Firm Scope and Firm Boundaries

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Listed:
  • Mengxiao Liu
  • Daniel Trefler

Abstract

Products often bundle together many functions e.g., smartphones. The firm develops the big idea (which functions to bundle) and then chooses one supplier per function. We develop a model featuring holdup in which the firm's bargaining power declines in the number of suppliers. Greater scope as measured by the number of suppliers exacerbates holdup, but this is partially offset by the appropriate choice of vertical integration or outsourcing. Our main result flows from the empirical observation that the number of functions varies across products within an industry (firm heterogeneity). We introduce the notion of an 'ideas-oriented' industry in which more productive firms have higher marginal returns to introducing a new function. We show that more productive firms will (1) have more suppliers and (2) be more likely to integrate those suppliers. We take this to the data using a neural network to predict whether or not each of 29 million PATSTAT patent applications involves new/improved functions. We merge these patents with Capital IQ data on 55,000 companies and their supplier networks. We show that in industries where patents are skewed towards new or improved functions, more productive firms have more suppliers and are more likely to integrate these suppliers.

Suggested Citation

  • Mengxiao Liu & Daniel Trefler, 2019. "What's the Big Idea? Multi-Function Products, Firm Scope and Firm Boundaries," NBER Working Papers 26320, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:26320
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    More about this item

    JEL classification:

    • F1 - International Economics - - Trade
    • F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies; Fragmentation
    • F14 - International Economics - - Trade - - - Empirical Studies of Trade
    • L14 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Transactional Relationships; Contracts and Reputation
    • L15 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Information and Product Quality
    • L23 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Organization of Production
    • L24 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Contracting Out; Joint Ventures

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