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

Mengxiao Liu and Daniel Trefler

No 26320, NBER Working Papers from National Bureau of Economic Research, Inc

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.

JEL-codes: F1 F12 F14 L14 L15 L23 L24 (search for similar items in EconPapers)
Date: 2019-09
New Economics Papers: this item is included in nep-bec, nep-com and nep-ore
Note: IO ITI
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Published as Mengxiao Liu & Daniel Trefler, 2020. "What’s the big idea? Multi-function products, firm scope and firm boundaries," Journal of Economic Behavior & Organization, vol 180, pages 381-406.

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