On Ill-Posedness of Nonparametric Instrumental Variable Regression With Convexity Constraints

Olivier Scaillet

No 16-06, Swiss Finance Institute Research Paper Series from Swiss Finance Institute

Abstract: This note shows that adding monotonicity or convexity constraints on the regression function does not restore well-posedness in nonparametric instrumental variable regression. The minimum distance problem without regularisation is still locally ill-posed.

Keywords: Nonparametric Estimation; Instrumental Variable; Ill-Posed Inverse Problems (search for similar items in EconPapers)
JEL-codes: C13 C14 C26 (search for similar items in EconPapers)
Pages: 6 pages
Date: 2016-01
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Citations: View citations in EconPapers (4)

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Related works:
Journal Article: On ill‐posedness of nonparametric instrumental variable regression with convexity constraints (2016)
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Persistent link: https://EconPapers.repec.org/RePEc:chf:rpseri:rp1606

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