Costly switching and investment volatility

Tackseung Jun ()

Economic Theory, 2005, vol. 25, issue 2, 317-332

Abstract: This paper extends the literature on the optimal switching rule between two investments by considering the case where switching between investments is costly. The model builds on the classic framework of the multi-armed Bandit problem by explicitly incorporating two key assumptions. First, switching investments is costly. Second, only the investment operated by the investor evolves as a random walk. The objective of the investor is to maximize the discounted sum of expected net profits over the infinite horizon. The main result is that when the volatility of profits from investments increases, so does the minimum profit gain needed for an investor to switch investments. Copyright Springer-Verlag Berlin/Heidelberg 2005

Keywords: Switching cost; Optimal switching rule; Random walk; Volatility. (search for similar items in EconPapers)
Date: 2005
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DOI: 10.1007/s00199-003-0439-3

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