The article "What Caused the Financial Crisis" explores the factors that led to the economic downturn in 2008. Researchers discuss the role of bankers, bonuses, ideology, and ignorance in the crisis. They analyze historical perspectives, such as securities regulation and financial deregulation, and compare the crisis to the events of 1929. The study also examines the impact of monetary policy, credit extension, housing bubbles, and policy initiatives on the economy. Additionally, the researchers investigate how securitization, credit-default swaps, and the actions of credit-rating agencies contributed to the financial meltdown. The article concludes with insights on the systemic failure of the economics profession and lessons learned from the crisis.