Optimal Portfolio Choice in the Presence of Domestic Systemic Risk: Empirical Evidence from Stock Markets

Decisions in Economics and Finance, Vol. 34, No. 2, pp. 141-168, 2011

41 Pages Posted: 10 Feb 2011 Last revised: 30 Jan 2012

See all articles by Marcel Prokopczuk

Marcel Prokopczuk

Leibniz Universität Hannover - Faculty of Economics and Management; University of Reading - ICMA Centre

Date Written: January 1, 2011

Abstract

In this paper we empirically investigate the consequences of domestic systemic risk for stock market investors. To tackle this issue, we consider two different investment strategies. One strategy is to be 'crisis-conscious,' i.e. taking the possibility of systemic events into account, the other one is to be 'crisis-ignorant' and thus disregarding systemic risk. We compare the optimal portfolio choices and investment results of these strategies in an historical simulation, using almost three decades of historical stock price data. Our main findings are as follows: the crisis-conscious investor tends to choose less extreme portfolio weights for individual stocks than the ignorant investor. The overall risky investment is, however, of similar size for both. By ignoring the possibility of systemic events, the crisis-ignorant strategy performs significantly worse from the viewpoint of expected return as well as expected utility.

Keywords: Systemic Risk, Optimal Portfolio Choice

JEL Classification: G11, C51

Suggested Citation

Prokopczuk, Marcel, Optimal Portfolio Choice in the Presence of Domestic Systemic Risk: Empirical Evidence from Stock Markets (January 1, 2011). Decisions in Economics and Finance, Vol. 34, No. 2, pp. 141-168, 2011, Available at SSRN: https://ssrn.com/abstract=1757929 or http://dx.doi.org/10.2139/ssrn.1757929

Marcel Prokopczuk (Contact Author)

Leibniz Universität Hannover - Faculty of Economics and Management ( email )

Koenigsworther Platz 1
Hannover, 30167
Germany

University of Reading - ICMA Centre ( email )

Whiteknights Park
P.O. Box 242
Reading RG6 6BA
United Kingdom

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