sell shares (trading signals) of stock market indices. Most commonly used classification techniques are not successful in …

pandemic, with US daily infections data between February and September of 2020, at the county level. This is then used to … estimate the effect of weather and mobility on the spread of the pandemic. We find a strong and significant effect of the … increase of the time spent in parks that helps reduce the spread of the pandemic. The negative effect of increased general …

regional-scale indicator that seeks to gauge the volume of measures implemented at each point in time to contain the pandemic …. Using textual analysis techniques, we analyse the information in press news. At the start of the pandemic, measures were … a perceptible change in this relationship over recent months. In the early stages of the pandemic, the reduction in …

regional-scale indicator that seeks to gauge the volume of measures implemented at each point in time to contain the pandemic …. Using textual analysis techniques, we analyse the information in press news. At the start of the pandemic, measures were … a perceptible change in this relationship over recent months. In the early stages of the pandemic, the reduction in …

listed on the Johannesburg Stock Exchange (JSE henceforth) between2002 and 2009.Overall, this study finds that the use of …

findings confirm that the effects of the restrictions imposed on economic activity in Spain to contain the pandemic vary …

information available also shows how in-person purchases were replaced by online shopping during lockdown. …