The Hausman test is used in applied economic work as a test of misspecification. It is most commonly thought of as a test of whether one or more explanatory variables in a regression model are endogenous. The usual Hausman contrast test requires one estimator to be efficient under the null...

In this paper we test for the short-term impact of foreign exchange intervention on both the level of the yen/dollar exchange rate and the volatility in the yen/dollar markets. Using newly released data on Japanese foreign exchange intervention, our global GARCH estimation suggests that Japanese...

In this paper we test for the short-term impact of foreign exchange intervention on both the level of the yen/dollar exchange rate and the volatility in the yen/dollar markets. Using newly released data on Japanese foreign exchange intervention, our global GARCH estimation suggests that Japanese...