The Choice Between Multiplicative and Additive Output Uncertainty
AbstractWhen modeling output uncertainty, the multiplicative specification is consistently chosen over the additive form, despite the latter being arguably intuitively more obvious. The rationale for this seems to be that when production risk is the only source of uncertainty, additive uncertainty does not reduce output below the certainty level, while multiplicative uncertainty does. We show that, regardless of the specification of output uncertainty, if hedging is absent and there is simultaneous price and output uncertainty, output is always lower than the situation in which one or both sources of uncertainty are absent. Thus, both models yield qualitatively identical results, i.e., adding a source of uncertainty reduces expected output. Therefore, additive uncertainty is indeed a reasonable a priori method of modeling production uncertainty
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Bibliographic InfoPaper provided by Centre for Research into Industry, Enterprise, Finance and the Firm in its series CRIEFF Discussion Papers with number 0209.
Date of creation: Feb 2002
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Multiplicative output uncertainty; additive output uncertainty; price uncertainty;
Find related papers by JEL classification:
- D21 - Microeconomics - - Production and Organizations - - - Firm Behavior: Theory
- D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
This paper has been announced in the following NEP Reports:
- NEP-ALL-2005-06-14 (All new papers)
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- Moawia Alghalith, 2005. "Input demand with cost uncertainty," International Economic Journal, Taylor & Francis Journals, vol. 19(1), pages 115-123.
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