We study business uncertainty in high- versus low-volatility environments by surveying over 31,000 managers across 41 … their mean absolute deviations. Analogously, we measure realized volatility using absolute forecast errors. We establish two … new facts. (1) Subjective uncertainty and realized volatility both decline with GDP per capita. (2) Managers underestimate …

The study proposes an assessment of the link between the performance of national health systems and volatility during … volatility, a representative stock market index was considered for each of the 60 states analysed. Data processing was carried … volatility and the performance of national health systems was weak; ii) during the pandemic, the connection between the two …

We study business uncertainty in high- versus low-volatility environments by surveying over 31,000 managers across 41 … their mean absolute deviations. Analogously, we measure realized volatility using absolute forecast errors. We establish two … new facts. (1) Subjective uncertainty and realized volatility both decline with GDP per capita. (2) Managers underestimate …

The study proposes an assessment of the link between the performance of national health systems and volatility during … volatility, a representative stock market index was considered for each of the 60 states analysed. Data processing was carried … volatility and the performance of national health systems was weak; ii) during the pandemic, the connection between the two …

management. The risk is often estimated by a substitution of a good estimator of the volatility matrix. However, the accuracy of … estimates of the volatility matrix: sample covariance, approximate factor model with known factors, and unknown factors (POET …

volatility need not be increased value and postponed investment. This depends on signs of correlations and what parameters are … market is nonpositive and not invariant to changes in volatility. For crude oil during 1993-2008, these changes are … identified as three significant breaks. -- real options ; oil ; volatility ; CAPM ; comparative statics …

More financially developed countries show lower volatility of industrial output. Volatility is particularly reduced in … industries that are more financially dependent. Most of the reduction is in idiosyncratic volatility. Systematic volatility is …