In the past, the study of international trade often focused on differences in labor, land and capital, as well as the distance between trading partners. But economists are increasingly looking at the role played by institutions, specifically those that enforce contracts and curb corruption.

The root causes of terrorism might not be poverty and lack of education, as many believe. Rather, the lack of civil liberties, political rights and the rule of law might be more influential.

An unprecedented amount of aid was extended by the Treasury, Fed and FDIC to companies, agencies and individuals. This aid was necessary and, in many cases, will return a profit to taxpayers.