In this paper, we provide a general valuation of the diversification attitude of investors. First, we empirically examine the diversification of mean-variance optimal choices in the US stock market during the 11-year period 2003–2013. We then analyze the diversification problem from the perspective of risk-averse investors and risk-seeking investors. Second, we prove that investors’ optimal choices will be similar if their utility functions are not too distant, independent of their tolerance (or aversion) to risk. Finally, we discuss investors’ attitude towards diversification when the choices available to investors depend on several parameters.

(2018). Diversification versus optimality: is there really a diversification puzzle? [journal article - articolo]. In APPLIED ECONOMICS. Retrieved from http://hdl.handle.net/10446/122794

Diversification versus optimality: is there really a diversification puzzle?

Ortobelli Lozza, Sergio;
2018-01-01

Abstract

In this paper, we provide a general valuation of the diversification attitude of investors. First, we empirically examine the diversification of mean-variance optimal choices in the US stock market during the 11-year period 2003–2013. We then analyze the diversification problem from the perspective of risk-averse investors and risk-seeking investors. Second, we prove that investors’ optimal choices will be similar if their utility functions are not too distant, independent of their tolerance (or aversion) to risk. Finally, we discuss investors’ attitude towards diversification when the choices available to investors depend on several parameters.
articolo
2018
ORTOBELLI LOZZA, Sergio; Wong, Wing-Keung; Fabozzi, Frank J.; Egozcue, Martin
(2018). Diversification versus optimality: is there really a diversification puzzle? [journal article - articolo]. In APPLIED ECONOMICS. Retrieved from http://hdl.handle.net/10446/122794
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10446/122794
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