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 …

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 …

This paper analyzes the relationship between the volatility of corporate bond returns and standard financial and … volatility that distinguishes the short-term dynamics from the long-run component of volatility. Both the in-sample and out …

the total volatility function in a continuous-time jump diffusion model. …

liquidity shock, separating information maximum likelihood estimation of the integrated volatility and covariance with micro … illustrations, EVT and tail-risk modelling, with evidence from market indices and volatility series, the economics of data using … simple model free volatility in a high frequency world, arbitrage-free implied volatility surfaces for options on single …

correlations and volatility spillovers between crude oil and stock index returns, pricing exotic options using the Wang transform …, the rise and fall of S&P500 variance futures, predicting volatility using Markov switching multifractal model: evidence …, forecasting volatility via stock return, range, trading volume and spillover effects: the case of Brazil, estimating and …

This paper analyzes two indexes in order to capture the volatility inherent in El Niños Southern Oscillations (ENSO … suitable for modelling ENSO volatility accurately, and that 1998 is a turning point, which indicates that the ENSO strength has …

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 …