Using weekly stock index prices, corresponding to the period between April 07 of 1998 and April 14 of 2003, we analyzed the efficiency of the dynamic multivaried models, from recursives genetic algorithms, to forecast the weekly sign variations of stock-exchange indices IPC, TSE, Nasdaq and DJI....

We study the short and long term performance of the stock returns of Latin American companies with an Initial Public Offering (IPOs) by American Depositary Receipts (ADR) in New York Stock Exchange (NYSE). The results indicate a statistically significant underpricing of 9.22% for the ADR-IPOs...

This article validates the chaotic behavior in the Argentinean, Brazilian, Canadian, Chilean, American, Peruvian and Mexican Stock Markets using the Merval, Bovespa, S&P TSX Composite, IPSA, IGPA, S&P 500, Dow Jones Industrials, Nasdaq, IGBVL and IPC Stock Indexes respectively. The results of...

This paper uses GARCH models to analize the relation between short term interest rates levels and their volatility. The finance literature show that this relation is not only positive but critical to explain the dynamics of nominal interest rate changes in the short run. However, when...

Community-Based Conservation programs (CBC) are designed on the assumption that local communities are crucial to the success of the conservation agenda. There is the expectation that, by providing benefits to the local people, they will support conservation because it is economically beneficial....

This study analyzes the capacity of multivariated models constructed from genetic algorithms and artificial neural networks to predict the sign of the weekly variations of the Asian stock-market indexes Nikkei225, Hang Seng, Shanghai Composite, Seoul Comp

This article examines different one-factor models of the short-term nominal interest rate in Chile, concluding that the models best describing this behavior are those that allow the rate volatility not to be constant, a conclusion similarly reached by CKL

The present paper analyzes the impact of Chilean ADR issues o­n the price and variance of their underlying securities. The results indicate that the impact of the international issue o­n the dual listed securities is similar to that suggested in the finan

The paper studies the effect of bond rating upgrades (downgrades) on stock prices in Chile which, based on the international evidence is expected to be positive (negative). However, no effect is observed, even when the sample is analyzed according to the type of agency that announced the rating...