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Efficient markets models assert that the price of each asset is equal to the optimal forecast of its ex-post or fundamental value. These models do not imply, however, that the covariance between two asset prices is given by the covariance between the ex-post values they respectively forecast:...
Persistent link: https://www.econbiz.de/10005463944
This paper models the relationship between growth and volatility for G7 economies in the time period 1960-2009. It … delivers for the first time estimates of this relationship based on a logarithm variant of stochastic volatility in mean (SV … show that output volatility has increased in all countries since the beginning of the financial crisis, which illustrates …
Persistent link: https://www.econbiz.de/10008511689
This paper studies how financial development affects the relation between average growth and growth volatility through … volatility is more likely to be negative in developing countries, but more likely to be positive in developed economies. Finally …
Persistent link: https://www.econbiz.de/10004998817
purpose of this paper is to analyze these two indexes in order to capture the volatility inherent in ENSO. The empirical … results show that both the ARMA(1,1)-GARCH(1,1) and ARMA(3,2)-GJR(1,1) models are suitable for modelling ENSO volatility …
Persistent link: https://www.econbiz.de/10009141355
A recent literature shows how an increase in volatility reduces leverage. However, in order to explain pro …-cyclical leverage it assumes that bad news increases volatility, that is, it assumes an inverse relationship between first and second … volatility. We show that, in a model with endogenous leverage and heterogeneous beliefs, agents have the incentive to invest …
Persistent link: https://www.econbiz.de/10008828614
A recent literature shows how an increase in volatility reduces leverage. However, in order to explain pro …-cyclical leverage it assumes that bad news increases volatility, that is, it assumes an inverse relationship between first and second … volatility. We show that, in a model with endogenous leverage and heterogeneous beliefs, agents have the incentive to invest …
Persistent link: https://www.econbiz.de/10009251219
financial institutions to market participants. In particular, we analyze liquidity and volatility premia on the French …; in the other, which we dub the unconventional regime, monetary policy operations lead to volatility and liquidity premia …
Persistent link: https://www.econbiz.de/10009275673
the total volatility function in a continuous-time jump diffusion model. …
Persistent link: https://www.econbiz.de/10005093922
main stock market indices of the G5: interactions between return and volatility, international transmission mechanisms and … impact of trading volumes. The non-significance of expected volatility in return equation can be explained by the influence … of trading volumes on returns. On the other hand, asymmetric effects (from non-expected return to volatility) are very …
Persistent link: https://www.econbiz.de/10008566299
private information influences aggregate volatility. The maximal aggregate volatility is attained in a noise free information …, as in Lucas [14]. For any given variance of aggregate shocks, the upper bound on aggregate volatility is linearly …
Persistent link: https://www.econbiz.de/10010938545