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and volatility of the Shanghai market were higher. The rates of returns in the two markets were approximately serially … uncorrelated and mutually uncorrelated. Volatility, as measured by the absolute change in the rate of return, has positive serially … correlations in both markets as expected, but the autoregressions are temporarily unstable. Most surprisingly the volatility …
Persistent link: https://www.econbiz.de/10005556546
This paper proposes tests of unconditional mean-variance efficiency using bootstrap method that does not depend on specific distributional assumptions. We reject the mean-variance efficiency of the CRSP value- weighted stock index for five of the seven consecutive ten-year subperiods from 1926...
Persistent link: https://www.econbiz.de/10005413061
determinants of the relative volatility of inflation vis-à-vis real depreciation. This analysis contributes in the identification … show this ingredient can end up altering the perceived relative volatility of peso and dollar assets in a way that fuels …
Persistent link: https://www.econbiz.de/10005412746
Optimization algorithms must be among the most common numerical methods used by economists. Yet, there is surprisingly little guidance on choosing the appropriate one. This problem is most notable with regard to conventional versus global optimizers. Typically, a global optimizer is used when a...
Persistent link: https://www.econbiz.de/10005134567
The Dynamic Conditional Correlation model of Engle has made the estimation of multivariate GARCH models feasible for …
Persistent link: https://www.econbiz.de/10005119196
This paper tests a partially Segmented ICAPM using an asymmetric multivariate GARCH specification for two developed markets, two emerging markets and World market. We find that this asymmetric process provides a significantly better fit of the data than a standard symmetric process. The evidence...
Persistent link: https://www.econbiz.de/10005119439
In July 2003 a new Road Code was approved by the Italian parliament. Among many reforms whose validity is not questioned here, the new law states that on three-lane motorways the right lane should not be reserved anymore to slow vehicles alone. As in two-lane roads, all vehicles must now drive...
Persistent link: https://www.econbiz.de/10005413007
methods for computing it: historical simulation; the variance-covariance method; and Monte Carlo or stochastic simulation. We …
Persistent link: https://www.econbiz.de/10005413040
We discuss the nonparametric approach to profit efficiency analysis at the firm and industry levels in the absence of complete price information, and propose two new insights. First, choosing one commodity (whose price is known) as a numeraire good enables us to measure profit inefficiency in...
Persistent link: https://www.econbiz.de/10005413294
This memorandum provides a scenario analysis of the likely macroeconomic impacts of a limited foot-and-mouth disease (FMD) outbreak in New Zealand. It is worth stressing at the outset that it is not a forecast, nor a ‘central’ scenario, but an exercise to gauge broad magnitudes and to trace...
Persistent link: https://www.econbiz.de/10005556174