This paper uses the cross-sectional variance of the betas from the CAPM model to study herd behavior towards market index in Romania. For time-varying beta determination, three different modeling techniques are employed: two bivariate GARCH models (DCC and FIDCC GARCH), two Kalman filter based...

In this paper we review the main theoretical financial indicators developed to evaluate investment portfolios, as Jensen’s Alpha, Treynor Index, based on risk as portfolio’s beta, as well as Sharpe’s index based on risk as volatility. Then, we show the fundamentals of conditional...

Although portfolio management didn’t change much during the 40 years after the seminal works of Markowitz and Sharpe, the development of risk budgeting techniques marked an important milestone in the deepening of the relationship between risk and asset management. Risk parity then became a...

The September 30, 1978 legislation (P.L. 95-405), which renewed the authority of the CFTC to regulate futures markets, directs the Commission to solicit the advice of the Treasury and the Federal Reserve before authorizing any additional futures contracts that specify delivery of U.S. Government...

Risk exchange is considered here as a cooperative game with transferable utility. The set-up fits markets for insurance, securities and contingent endowments. When convoluted payoff is concave at the aggregate endowment, there is a price-supported core solution. Under variance aversion the...

The aim of this paper is to develop a hedging methodology for making a portfolio of options delta, vega and gamma neutral by taking positions in other available options, and simultaneously minimizing the net premium to be paid for the hedging. A quadratic programming solution for the problem is...

Considering the investment in education as uncertain financial decision making we modify the short-cut method of calculating rates of return to education by incorporating the risk premium. Recognizing that market risk isn’t the only factor affecting returns, we estimate the returns to...

We develop alternative models for hedging yield curve risk and test them by hedging US Treasury bond portfolios through note/bond futures. We show that traditional implementations of models based on principal component analysis, duration vectors and key rate duration lead to high exposure to...

Este documento aplica el modelo capm para una muestra de 38 acciones (80% del mercado) que se cotizaron en la Bolsa de Valores de Colombia durante 2007 y 2008. Las acciones se agruparon en cinco sectores económicos, encontrándose los siguientes resultados: 1. Todos los sectores oscilan en...

There is no consensus in the literature as to which model should be used to estimate stock returns and the cost of capital in the emerging markets. The Capital Asset Pricing Model (CAPM), which is most often used for this purpose in the developed markets, has a poor empirical record and is...