Toward Determining the Optimal Investment Strategy for Retirement

11 Pages Posted: 3 Jan 2019

See all articles by Javier Estrada

Javier Estrada

IESE Business School

Mark Kritzman

Windham Capital Management

Date Written: December 14, 2018

Abstract

Investors who are about to retire are first and foremost concerned with supporting their spending needs throughout retirement. But they also derive satisfaction from growing their wealth beyond what is needed to support consumption in order to leave a bequest to their heirs or chosen charities. The predominant metric for evaluating retirement investment strategies is the failure rate. However, it fails to distinguish between strategies that fail early in retirement from those that fail near the end of retirement. Moreover, it fails to account for potential bequests. To overcome these shortcomings we propose a new metric, the coverage ratio, which is more comprehensive and informative than the failure rate. In addition, we propose a utility function to evaluate the coverage ratio, which penalizes shortfalls more than it rewards surpluses. Finally, we use the framework we propose to determine the optimal allocation to stocks and bonds using both historical and simulated returns.

Keywords: retirement strategies; failure rate; coverage ratio; asset allocation

JEL Classification: G11

Suggested Citation

Estrada, Javier and Kritzman, Mark, Toward Determining the Optimal Investment Strategy for Retirement (December 14, 2018). Available at SSRN: https://ssrn.com/abstract=3303153 or http://dx.doi.org/10.2139/ssrn.3303153

Javier Estrada (Contact Author)

IESE Business School ( email )

IESE Business School
Av. Pearson 21
Barcelona, 08034
Spain
+34 93 253 4200 (Phone)
+34 93 253 4343 (Fax)

Mark Kritzman

Windham Capital Management ( email )

800 Boylston Street
30th Floor
Boston, MA 02199
United States
6174193900 (Phone)
6172365034 (Fax)

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