Long-run risk is the worst-case scenario

Rhys Bidder, Ian Dew-Becker

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

We study an investor who is unsure of the dynamics of the economy. Not only are parameters unknown, but the investor does not even know what order model to estimate. She estimates her consumption process nonparametrically-allowing potentially infinite-order dynamics-and prices assets using a pessimistic model that minimizes lifetime utility subject to a constraint on statistical plausibility. The equilibrium is exactly solvable and the pricing model always includes long-run risks. With risk aversion of 4.7, the model matches major facts about asset prices, consumption, and dividends. The paper provides a novel link between ambiguity aversion and nonparametric estimation. (JEL D11, D12, D81, G11, G12).

Original languageEnglish (US)
Pages (from-to)2494-2527
Number of pages34
JournalAmerican Economic Review
Volume106
Issue number9
DOIs
StatePublished - Sep 2016

ASJC Scopus subject areas

  • Economics and Econometrics

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