This is the first post in what will become a regular feature on this blog: A look back at previous posts that are related to newly-discovered content.
Further support for prediction markets.
Trading on the Wisdom of Crowds (Wall Street Journal)
How accurate are prediction markets in U.S. elections? (Yahoo! Answers)
Earlier: How to predict the future
What are your odds of dying from a given injury?
Odds of Dying (National Safety Council)
Earlier: Suicide hotlines
Economists, on the question of organ markets as a solution to the organ donor shortage.
Human Organs for Sale, Legally, in ... Which Country? (Freakonomics Blog)
Financial Compensation for Organ Donors is Working (Marginal Revolution)
Earlier: Kidneys for sale?