Optimal Adoption of Complementary Technologies
When a production process requires two extremely complementary inputs, conventional wisdom holds that a firm would always upgrade them simultaneously. We show, however, that if upgrading each input involves a fixed cost, the firm may upgrade them at different dates, "asynchronously." This insight helps us understand why productivity rises with the age of a plant, why investment in structures is more spiked than equipment investment, and why plants have spare capacity. The bigger point of the paper is that complementarity does not necessarily imply comovement--not even for a single decision maker.
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- Michael Gort & Raford Boddy, 1967. "Vintage Effects and the Time Path of Investment in Production Relations," NBER Chapters, in: The Theory and Empirical Analysis of Production, pages 395-430 National Bureau of Economic Research, Inc.
- Hayashi, Fumio & Inoue, Tohru, 1991.
"The Relation between Firm Growth and Q with Multiple Capital Goods: Theory and Evidence from Panel Data on Japanese Firms,"
Econometric Society, vol. 59(3), pages 731-53, May.
- Fumio Hayashi & Tohru Inoue, 1990. "The Relation Between Firm Growth and Q with Multiple Capital Goods: Theory and Evidence from Panel Data on Japanese Firms," NBER Working Papers 3326, National Bureau of Economic Research, Inc.
- Mehmet Yorukoglu, 1998. "The Information Technology Productivity Paradox," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 1(2), pages 551-592, April.
- Jim Bessen, 1997. "Productivity Adjustments and Learning-by-Doing as Human Capital," Working Papers 97-17, Center for Economic Studies, U.S. Census Bureau.
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