Existing multivariate GARCH models either impose strong restrictions on the parameters or do not guarantee a well-defined (positive definite) covariance matrix. We focus on the multivariate GARCH model of Baba, Engle, Kraft and Kroner (BE=) and show that the covariance and correlation is not...

The paper analyses the causality between the Japanese-US relative export prices and the yen-dollar exchange rate. It explains why the Japanese yen proved strong even during the economic slump of the 1990s. The paper suggests that the appreciation of the Japanese yen forced the Japanese...

The paper analyses the causality between the Japanese-US relative export prices and the yen-dollar exchange rate. It explains why the Japanese yen proved strong even during the economic slump of the 1990s. The paper suggests that the appreciation of the Japanese yen forced the Japanese...

Der Druck auf die chinesische Regierung, die Wechselkursbindung des chinesischen Yuan an den US Dollar aufzugeben, ist groß. Seitdem der Dollar unter kontinuierlichem Abwertungsdruck steht, wird in den westlichen Industriestaaten Chinas Festkurs einer merkantilistischen Handelspolitik...