Statistics: GINI Index by country

See this link for income inequality levels of various countries.

Statistics: Economic Freedom Ratings by country

Visit this link to see how countries around the world rank in terms of freedom to do business.

Education: Khan Academy (video lessons)

See Khan Academy for simple lessons on topics ranging from chemistry to economics.

Critical Thinking: List of logical fallacies

This list of logical fallacies will help you improve your navigation through erroneous arguments.

Statistics: Inequality in the U.S. (various graphs)

These stats are a part of a Business Insider article. There are several graphs within this article.

Statistic: Tax Rate History, U.S.

See this link to view the historical trend of the U.S. tax rate.

Critical Thinking: Logic for LSAT exam (MP3s)

These short MP3s from Princeton University are helpful for those who seek to improve their arguments and prevent falling into fallacious reasoning traps.