This study investigates the bias adjustment for mean–variance efficient portfolio frontiers due to population mean and variance estimation error in Taiwan stock market. Although Siegel and Woodgate (2007; Management Science, 53, 1005–1015) and Kan and Smith (2008; Management Science, 54,...

This study investigates the momentum and contrarian profits corresponding to the coincident economic indicator on the Taiwan stock market. The empirical findings are as follows. First, neither momentum nor contrarian profits are statistically significant on average. Second, winners and losers...