If stock-outs are ignored and if demand shocks are additive, then optimal behavior requires that the marginal cost of production (MC) be equated with the expected marginal revenue of increasing expected sales by one unit (EMR). However,with more general demand shocks (and still ignoring stock-outs), the excess of MC over EMP has the same signas the covariance of the slope of the demand curve and the marginal valuation of inventory. The equality of EMR and MC is also broken by taking account of stock-outs, even if demand shocks are additive. If there is a production lag, then taking account of stock-outs implies that optimal behavior will be characterized by production smoothing even if the cost of production is linear. Two alternative definitions of production smoothing are presented and optimal behavior in the presence of stock-outs displays each type of smoothing.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
1563.
Length: Date of creation: Sep 1985 Date of revision: Handle: RePEc:nbr:nberwo:1563
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Lucas, Robert E, Jr & Prescott, Edward C, 1971.
"Investment Under Uncertainty,"
Econometrica,
Econometric Society, vol. 39(5), pages 659-81, September.
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