This study investigates the effects of aid inflows and the volatility of public investment on economic growth in 26 Sub …-Saharan African countries over the period from 1992 to 2011. Three volatility variables comprising aid, government revenue, and public … impact on growth once potential endogeneity has been accounted for, aid effectiveness may have been eroded by volatility in …

unemployment rate, (ii) increases the volatility of sectoral sales and (iii) increases welfare proportionately less than in the …

generalized inverse gamma distribution best fits VIX and VXO volatility data. We further prove that stock returns are best fit by …

This paper estimates the implied stochastic process of the volatility of the Swiss market index (SMI) from the prices … option pricing model of Duan (1991), the implied volatility process is estimated by a simulation minimization method from … option price data. We find the persistence of volatility shocks implied by options on the SMI to be very close to that …

volatility and business group affiliation are statistically significant determinants of the firm's acquisition decision. Earnings … volatility follows inverted “U” curvilinear relationship with a firm's propensity to bid for acquisition and business group … affiliation is a quasi moderator, i.e. has both direct and moderating impact on earnings volatility and acquisition likelihood …

After years of low macroeconomic volatility since the early eighties, well documented and referred to as the Great … countries. This Great Recession period was characterized by a sharp apparent increase in output volatility. In this paper we … evaluate whether this sudden event is likely to be temporary. Whether or not this new volatility regime is likely to persist …

The short term and long term stock price volatility changes around bonus and rights issue announcements have been … examined using historical volatility estimation and time varying volatility approach. The results show that the historical … volatility has increased after bonus and rights issue announcements. Volatility persistence and unconditional volatility have …

This paper investigates the volatility of the rates of output growth for the U.S., Canada and the UK. We empirically … characterize the volatility of the growth rate of real GDP and, at the same time, we hope we can successfully identify business … cycle turning points. The empirical results show that there have been structural changes in the volatility of output growth …