The 2011 Index of Economic Freedom, which is a joint project of The Heritage Foundation and The Wall Street Journal, ranked 183 countries based on 10 measures that evaluate such things as openness to trade and investment, government size, fiscal soundness, business and labor regulation, property rights, corruption, monetary stability and financial competition and transparency.

FORBES: Hong Kong Is Still The Best, China Must Do Better

The BPP is an academic project based at MIT which seeks to use prices collected at hundreds of online retailers to estimate a daily price index.

FORBES: Inflation and the Billion Prices Project