mean and volatility. The endogenous structural breakpoint unit root test, ARDL model, and alternative volatility models … price while the volatility of global fertilizer prices and crude oil price from March to December 2008 are higher than in …

Stylized facts suggest that output volatility in OECD countries has declined in recent years. However, the causes and … structural breaks in the dynamics and the volatility of the real output process in Germany can be detected. We report evidence … that output volatility has declined in Germany. Yet, this decline in output volatility is not as clear-cut as it is in the …

correlation. …

This paper uses a frequency domain approach to gain insight into the correlation between survey indicators and year … of the correlation between survey indicators and year-on-year GDP growth at the different frequencies to explain their … overall correlation. We show that survey indicators, similar to year-on-year GDP growth, do not perfectly reflect business …

unterschiedlich ist. Während die Konjunktur in den Vereinigten Staaten bis zuletzt kräftig war, befindet sich die Wirtschaft im … Impulse etwas an Fahrt verliert, belebt sich die Konjunktur in Europa und Japan mit Abklingen der bremsenden Wirkungen des …

regression, Box-Jenkins methodologies have been applied initially then GARCH-type models are used to counter the problems of auto-correlation … observed that the volatility shocks are quite persistent and take a long time to die out. September 11, 2001incident and … thereafter war on terror has increased the conditional volatility of foreign direct investment and has statistically significant …

This paper employs the unrestricted extended constant conditional correlation GARCH specification proposed in Conrad …