The fluctuation in the prices in a stock market can be separated into two time scales: a long term trend guided by financial principles and a short term trend governed by the specific trading mechanisms used. We proposed a mixed strategy for managing stock portfolios in which the long term trend...

This article provides a stylized framework to assess alternative institutional designs for investment regulation, in the context of mandatory defined contribution pension fund systems with individual accounts and competition among managers. We illustrate short-term, long-term and competitive...

The attempt of this article is to fill a gap in the equity trading risk management literature and particularly from the perspective of emerging and illiquid financial markets, such as in the context of the Moroccan stock market. This paper provides real-world risk management techniques and...

This paper takes full advantage of daily quoted prices of microfinance stocks from their issuance, and draws a global picture of worldwide microfinance equity from the viewpoint of a profit-oriented investor. We construct microfinance country equity indices and an international global...

Portfolio management of financial instruments is an important activity whereas factors leading to best performance for the investment in question are suitable and good structure Committee of the portfolio. The investor will have to take into account the type of financial instruments which ensure...

Trading portfolios at Financial institutions are typically driven by a large number of financial variables. These variables are often correlated with each other and exhibit by time-varying volatilities. We propose a computationally efficient Value-at-Risk (VaR) methodology based on Dynamic...

The authors provide bibliometric evidence to illustrate the development of copula theory in mathematics, statistics, actuarial science and finance. They identify the main contributors to the field, and the most important areas of application in finance. They also describe some of the remaining...

It is well-established that equity returns are not Normally distributed, but what should the portfolio manager do about this, and is it worth the effort? It is now feasible to employ better multivariate distribution families that capture heavy tails and skewness in the data; we argue that among...

We study empirical mean-variance optimization when the portfolio weights are restricted to be direct functions of underlying stock characteristics such as value and momentum. The closed-form solution to the portfolio weights estimator shows that the portfolio problem in this case reduces to a...

We decompose the returns differential between U.S. portfolio claims and liabilities into the composition, return, and timing effects. Our most striking and robust finding is that foreigners exhibit poor timing when reallocating between bonds and equities within their U.S. portfolios. The poor...