We find that approximately 30% of financial advisers in the United States are involved in misconduct, yet only about one-third of those are detected. Advisers involved in misconduct tend to be male, work in a "toxic" environment, change firms more often, pass fewer industry exams, and have less...

Decentralized exchanges (DEXs) are gaining popularity, allowing investors to trade cryptocurrencies through liquidity pools. We find that about 44% of major DEX liquidity pools are scams, resulting in approximately $1.5 billion in investor losses. Scammers display specific traits, including...

How does a market digest order imbalance? We show that when market participants learn about the level of adverse selection (the risk of trading against better-informed counterparties) from order flow, a large order imbalance can be destabilizing, causing sharp price movements and evaporation of...

Allegations of market manipulation abound in the popular press, particularly during the recent financial turmoil. However, many aspects of manipulation are poorly understood. The purpose of this thesis is to enhance our understanding of market manipulation by providing empirical evidence on the...