During world financial crises in 1994 and 1998, most Latin American countries suffered severe contagion. But from the crisis of 2001 onward the amounts of contagion those countries suffered was less. This paper is a preliminary discussion of how several Latin American countries protected...

Evidence that option trading can influence the prices of the underlying common stocks is discussed. This research was conducted in the time frame 1981-1982 and that was before there were many articles about deviations from efficient-market pricing. Stock prices were believed to fluctuate without...