Laurence Copeland
Rare disasters and the equity risk premium in a two-country world
Copeland, Laurence; Zhu, Yanhui
Abstract
We extend the Barro (2006) closed-economy model of the equity risk premium in the presence of extreme events ("disasters") to a two-country world. In this more general setting, both the output risk of rare disasters and the associated risk of a default on Government debt, can be diversi�ed. The extent to which agents in one country can diversify away the risk of extreme events depends on the relative size of the two countries, and critically on the
probability of a disaster in one country conditional on a disaster in the other. We show that, using Barro�s own calibration in combination with a broad range of plausible values for the additional parameters, the model implies levels of the equity risk premium far lower than those typically observed in the data. We conclude that the model is unlikely to explain the equity risk premium.
Citation
Copeland, L., & Zhu, Y. (2008, July). Rare disasters and the equity risk premium in a two-country world. Paper presented at 5th Conference of the Portuguese Finance Network in Coimbra, Coimbra
Presentation Conference Type | Conference Paper (unpublished) |
---|---|
Conference Name | 5th Conference of the Portuguese Finance Network in Coimbra |
Conference Location | Coimbra |
Start Date | Jul 1, 2008 |
End Date | Jul 1, 2008 |
Peer Reviewed | Not Peer Reviewed |
Keywords | equity premium, disaster |
Public URL | https://uwe-repository.worktribe.com/output/998132 |
Publisher URL | http://www.uc.pt/en/tomenota/2008/20080709/ |
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