Showing 1 - 10 of 13
securities, N, can be large relative to the time dimension, T, of the return series. The test is based on Student t tests of … the S&P 500 at the end of each month in real time, using rolling windows of size 60. Statistically significant evidence …
Persistent link: https://www.econbiz.de/10012955752
diagnostics when applied to the post 2007 period that includes the recent financial crisis …
Persistent link: https://www.econbiz.de/10013094817
government bonds and four commodities over the period 1991-2007. The empirical evidence supports the use of 'thick' model …
Persistent link: https://www.econbiz.de/10013316571
effect of shocks using generalised spatio-temporal impulse responses. These highlight the diffusion of shocks both over time …
Persistent link: https://www.econbiz.de/10013095156
. We develop a multi-country version of the Lucas tree model with time-varying volatility and show that in addition to … for by the real common factor, which is proportional to world growth in our empirical model and linked to the risk …-free rate. Second, the share of volatility forecast error variance explained by the real common factor and by country …
Persistent link: https://www.econbiz.de/10012920871
This paper is concerned with empirical and theoretical basis of the Efficient Market Hypothesis (EMH). The paper begins with an overview of the statistical properties of asset returns at different frequencies (daily, weekly and monthly), and considers the evidence on return predictability, risk...
Persistent link: https://www.econbiz.de/10013141185
This paper investigates the limit properties of mean-variance (mv) and arbitrage pricing (ap) trading strategies using a general dynamic factor model, as the number of assets diverge to infinity. It extends the results obtained in the literature for the exact pricing case to two other cases of...
Persistent link: https://www.econbiz.de/10013153425
the monetary policy shocks, and consider the time profiles of their effects on the euro area. To this end we include the …
Persistent link: https://www.econbiz.de/10012783809
This paper studies the long-run impact of public debt expansion on economic growth and investigates whether the debt-growth relation varies with the level of indebtedness. Our contribution is both theoretical and empirical. On the theoretical side, we develop tests for threshold effects in the...
Persistent link: https://www.econbiz.de/10013019040
This paper investigates the global macroeconomic consequences of country-specific oil-supply shocks. Our contribution is both theoretical and empirical. On the theoretical side, we develop a model for the global oil market and integrate this within a compact quarterly model of the global economy...
Persistent link: https://www.econbiz.de/10013021694