'Fantasy Sports' - an internet-based game in which participants chose virtual teams of real professional athletes - has recently gained in popularity. Various firms provide projections regarding athletes' future performance to help participants choose their virtual teams. We evaluate such...

Data breaches continue to plague most industries but especially the healthcare sector. While previous studies have aimed at assessing the financial implications arising from data breaches, none of them focused on the healthcare sector. This study of market reactions following data breaches fills...

This paper investigates the impact of economic policy communication via social media on stock market uncertainty. It uses a sample of Donald Trump's tweets to identify and cluster policy-related tweets using a double machine learning approach based on natural language processing. The response of...