The Development of Mean-Variance-Efficient Portfolios in Japan and the U.S.
“Markowitz and Xu (1994) tested the composite model strategy and found that its excess returns were statistically significant from a variety of models tested, and the composite model strategy was not the result of data mining.”
AssetEquities
StrategyPortfolio optimization
GeographyGlobalUS
FrequencyAnnual
Also stated: 1992–2003, Excess return, t-statistic, Fundamentals
Missing from abstract: benchmark, out-of-sample test, costs, multiple testing, universe
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