.We analyze the traditional Markowitz mean-variance (MV) portfolio by large dimension matrix theory, and find the spectral … expressions of the expected return and risk on the MV portfolio, the population covariance matrix is always a quadratic form … proportionally with the sample size. Moreover, this paper deduces the limiting behavior of the expected return and risk on the …

reviews the theory and literature on market efficiency and market anomalies. We give a brief review on market efficiency and …. This review is useful to academics for developing cutting-edge treatments of financial theory that EMH, anomalies, and … that suit their risk preferences and behavioral traits predicted from behavioral models. Finally, when EMH, anomalies and …

daily risk estimates to the monetary authorities at the beginning of the trading day, using a variety of Value-at-Risk (VaR …) models to measure risk. Sometimes the risk estimates communicated using these models are too high, thereby leading to large … capital requirements and high capital costs. At other times, the risk estimates are too low, leading to excessive violations …