## Abstract Innovation enables monopolists to lower their costs, expand their outputs, and reduce their prices. It is conventional to conclude that social welfare unambiguously increases as a result. Assuming linear demand and marginal cost, this paper shows, however, that innovation raises the opp
The opportunity cost of duality
✍ Scribed by Rolf Färe; Daniel Primont
- Publisher
- Springer
- Year
- 1996
- Tongue
- English
- Weight
- 540 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0895-562X
No coin nor oath required. For personal study only.
✦ Synopsis
A dual representation of a technology, e.g., a cost function, may not contain all of the technological information, but it will contain all of the information about input vectors that would be chosen by a cost-minimizing firm. At least this much is clear for deterministic technologies. The main question addressed in this paper is whether the same can be said about stochastic technologies and their dual representations. Despite some pessimism expressed in the stochastic frontier literature on this question, we argue that there is no extra cost imposed in the stochastic case. Thus, the conclusion of this paper is: Just dual it! Keywords.
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