Econometrica: May 2016, Volume 84, Issue 3

Buy, Keep, or Sell: Economic Growth and the Market for Ideas

https://doi.org/10.3982/ECTA12144
p. 943-984

Ufuk Akcigit, Murat Alp Celik, Jeremy Greenwood

An endogenous growth model is developed where each period firms invest in researching and developing new ideas. An idea increases a firm's productivity. By how much depends on the technological propinquity between an idea and the firm's line of business. Ideas can be bought and sold on a market for patents. A firm can sell an idea that is not relevant to its business or buy one if it fails to innovate. The developed model is matched up with stylized facts about the market for patents in the United States. The analysis gauges how efficiency in the patent market affects growth.



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Supplement to "Buy, Keep or Sell: Economic Growth and the Market for Ideas"

This supplement contains two sections that deal with the theoretical aspects of the analysis and the empirical work.

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Supplement to "Buy, Keep or Sell: Economic Growth and the Market for Ideas"

This supplement contains the replication files for the manuscript.

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