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Measurement Error and the Relationship between Investment and q

Erickson, Timothy, Whited, Toni M.·2000·Journal of Political Economy

Abstract

Many recent empirical investment studies have found that the investment of financially constrained firms responds strongly to cash flow. Paralleling these findings is the disappointing performance of the q theory of investment: even though marginal q should summarize the effects of all factors relevant to the investment decision, cash flow still matters. We examine whether this failure is due to error in measuring marginal q. Using measurement error–consistent generalized method of moments estimators, we find that most of the stylized facts produced by investment‐q cash flow regressions are artifacts of measurement error. Cash flow does not matter, even for financially constrained firms, and despite its simple structure, q theory has good explanatory power once purged of measurement error.

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Metadata

Authors
Erickson, T., & Whited, T. M.
Venue
Journal of Political Economy
Published
2000-10
Volume
108
Issue
5
Pages
1027-1057
ISSN
  • 0022-3808 (ISSN-L)
  • 1537-534X
OpenAlex
W3124046399
Cited by
1,164
References
2
FWCI
81.14
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Measurement Error and the Relationship between Investment and q. https://app.cochat.ai/papers/10.1086/317670
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Erickson, T., & Whited, T. M. (2000). Measurement Error and the Relationship between Investment and q. Journal of Political Economy. https://doi.org/10.1086/317670

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