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Characterization Of The Dependency Across Foreign Exchange Markets Using Copulas, Ryan Coelho
Characterization Of The Dependency Across Foreign Exchange Markets Using Copulas, Ryan Coelho
LSU Master's Theses
Though Pearson's correlation coefficient provides a convenient approach to measuring the dependency between two variables, in the last few years, there has been a significant amount of literature cautioning against the use of Pearson's correlation coefficient, as it does not remain invariant under monotone transformations of the underlying distribution functions. Since we are interested in examining the dependency pattern observed by the return on the Sterling Pound with that of the Japanese Yen, we will use the notion of a copula to approximate the joint density function between the daily returns on the Sterling Pound and the Japanese Yen. In …