Using the staggered corporate income tax changes across US states, we find that tax increases in states where customers operate significantly reduce their suppliers’ return on assets, and operating and gross profit margins. Such effect is more pronounced for suppliers who have high sales...

Using tweets from StockTwits and machine-learning classification techniques, we find that social-media sentiment predicts positively and significantly future stock returns, and, importantly, such positive predictability decreases when the number of stocks users follow increases. The return...