The Limits of Leverage

Paolo Guasoni and Eberhard Mayerhofer

Papers from arXiv.org

Abstract: When trading incurs proportional costs, leverage can scale an asset's return only up to a maximum multiple, which is sensitive to its volatility and liquidity. In a model with one safe and one risky asset, with constant investment opportunities and proportional costs, we find strategies that maximize long term returns given average volatility. As leverage increases, rising rebalancing costs imply declining Sharpe ratios. Beyond a critical level, even returns decline. Holding the Sharpe ratio constant, higher asset volatility leads to superior returns through lower costs.

Date: 2015-06, Revised 2017-10
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Citations: View citations in EconPapers (3)

Published in Mathematical Finance, Vol 29, 249-284, 2019

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Persistent link: https://EconPapers.repec.org/RePEc:arx:papers:1506.02802

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