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While common machine learning algorithms focus on minimizing the mean-square errors of model fit, we show that genetic programming, GP, is well-suited to maximize an economic objective, the Sharpe ratio of the usual spread portfolio in the cross-section of expected stock returns. In contrast to...
Persistent link: https://www.econbiz.de/10013242613
Concerns about the fragility of the financial system caused by the OTC derivatives market has encouraged the increased use of counterparty risk mitigation techniques including the use of market compression. In this process groups of market participants share position information via a third...
Persistent link: https://www.econbiz.de/10013063807
We clarify that the widely used estimation method for the LOT liquidity model in the market microstructure literature …
Persistent link: https://www.econbiz.de/10012990817
. CAPM, Mean-Variance Portfolio Optimization, Constrained Optimization, Fama-French, Value-Size Portfolios, Dynamical …
Persistent link: https://www.econbiz.de/10009009611
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Motivated by the problems of the conventional model in rationalizing market data, we derive the equilibrium interest rate and risk premiums using recursive utility in a continuous time model. We consider the version of recursive utility which gives the most unambiguous separation of risk...
Persistent link: https://www.econbiz.de/10013034144
We consider the problem faced by an investor who must liquidate a given basket of assets over a finite time horizon. The investor's goal is to maximize the expected utility of the sales revenues over a class of adaptive strategies. We assume that the investor's utility has constant absolute risk...
Persistent link: https://www.econbiz.de/10013150407
In this paper we propose a Maximization-Maximization (MM) algorithm for the assessment of hidden parameters in structural credit risk models. Step M1 updates the value, volatility, and expected return on the firm’s assets by maximizing the log-likelihood function for the time series of equity...
Persistent link: https://www.econbiz.de/10014199754
Diversification has been long considered an essential part of investing for the long term. Our paper aims to look further on portfolio diversification and how asset allocation can be optimized. We suggest that the selection of investments in a portfolio should be based on how the market behaves...
Persistent link: https://www.econbiz.de/10012906959
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