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MEAN-VARIANCE VERSUS FULL-SCALE OPTIMIZATION: BROAD EVIDENCE FOR THE UK

机译:均方差与全面优化:英国的广泛证据

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摘要

Portfolio choice by full-scale optimization applies the empirical return distribution to a parameterized utility function, and the maximum is found through numerical optimization. Using a portfolio choice setting of three UK equity indices we identify several utility functions featuring loss aversion and prospect theory, under which full-scale optimization is a substantially better approach than the mean-variance approach. As the equity indices have return distributions with small deviations from normality, the findings indicate much broader usefulness of full-scale optimization than has earlier been shown. The results hold in- and out-of-sample, and the performance improvements are given in terms of utility as well as certainty equivalents.
机译:通过全面优化选择投资组合,将经验回报分配应用于参数化效用函数,并通过数值优化找到最大值。通过使用三个英国股票指数的投资组合选择设置,我们确定了一些具有损失厌恶和前景理论的效用函数,在这种函数下,全面优化是一种优于均值方差方法的更好方法。由于股票指数的收益分布与正常值之间的偏差很小,因此研究结果表明,全面规模优化的实用性比以前显示的要广泛得多。结果在样本内和样本外进行,并且在效用和确定性等价方面给出了性能改进。

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