Observation Bias: The Impact of Demand Censoring on Newsvendor Level and Adjustment Behavior

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Observation Bias: The Impact of Demand Censoring on Newsvendor Level and Adjustment Behavior

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Title: Observation Bias: The Impact of Demand Censoring on Newsvendor Level and Adjustment Behavior
Author: Rudi, Nils; Drake, David Francis

Note: Order does not necessarily reflect citation order of authors.

Citation: Rudi, Nils, and David Drake. "Observation Bias: The Impact of Demand Censoring on Newsvendor Level and Adjustment Behavior." Management Science 60, no. 5 (May 2014): 1334–1345.
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Abstract: In an experimental newsvendor setting we investigate three phenomena: level behavior—the decision-maker's average ordering tendency; adjustment behavior—the tendency to adjust period-to-period order quantities; and observation bias—the tendency to let the degree of demand feedback influence order quantities. We find that the portion of mismatch cost due to adjustment behavior exceeds the portion of mismatch cost due to level behavior in three out of four conditions. Observation bias is studied through censored demand feedback, a situation which arguably represents the majority of newsvendor settings. When demands are uncensored, subjects tend to order below the normative quantity when facing high margin and above the normative quantity when facing low margin, but in neither case beyond mean demand (a.k.a. the pull-to-center effect). Censoring in general leads to lower quantities, magnifying the below-normative level behavior when facing high margin but partially counterbalancing the above-normative level behavior when facing low margin, violating the pull-to-center effect in both cases.
Published Version: http://pubsonline.informs.org/doi/pdf/10.1287/mnsc.2013.1825
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:28538424
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