Broad waves of investor sentiment should have larger impacts on securities that are more difficult to value and to arbitrage. Consistent with this intuition, we find that when an index of investor sentiment takes low values, small, young, high volatility, unprofitable, non-dividend-paying,...

Climate change poses the most significant threat to humanity today. This study examines the global warming trend by analyzing temperature changes over the past century, uncovering alarming results. Various models, including the Random Walk with Drift approach with R programming language, have...