How Paul Samuelson Really Got Rich

Over at Economic Principals, David Warsh reveals little-known facts about Paul Samuelson's acuity as an investor and his involvement in an early hedge fund called Commodities Corp.: "Long famous for the fortune that his pioneering textbook earned him after 1948, it turns out that Samuelson may have made more money as an investor than as an author. He was both smarter and richer than is generally understood: as an investor, a bigger winner, perhaps, than the more volatile John Maynard Keynes."

Looking to Twitter for a Market Edge?

If you're looking for a hot stock tip, consider Twitter. A new paper by Timm O. Sprenger and Isabell M. Welpe looks at the effects of microblogging on stock prices.

Recanting a Small Part of Lifecycle Investing

On page 9 of Lifecycle Investing, Barry Nalebuff and I write:

"[B]efore you invest in stocks, first pay off all your student loans and credit card debts."

On reflection, we were only half right. You should pay off your high-interest-rate credit card loans before investing in stock. But in this post from our Forbes blog, Barry and I show why young investors need not pay off their student loans before investing in stock.

Did Paul Samuelson Support Leveraged Lifecycle Investing?

Here is a post coauthored with Yale School of Management professor, Barry Nalebuff, regarding Paul Samuelson's criticisms of our Lifecycle Investing strategy.

Ode to Lifecycle Investing

Ayres and Nalebuff coauthor a poem.

Yes, Virginia … A Leveraged Lifecycle Can Reduce Retirement Risk

Ian Ayres talks long-term investment strategy.

Dilbert on Diversification

Scott Adams's investing advice.

Market Volatility Has Doubled: What's in Your Portfolio?

How should volatility affect an investment strategy?

Wall Street Amnesia

Why do investors still trust Wall Street with their money?

Can Public-Funded Entrepreneurship Work? A Q&A With the Author of Boulevard of Broken Dreams

In recent months, the U.S. government has taken on a challenging and controversial new role: private sector investor. This development has raised a host of questions about the government's role in the economy and a new book by Josh Lerner, Boulevard of Broken Dreams: Why Public Efforts to Boost Entrepreneurship and Venture Capital Have Failed - and What to Do About It, is required reading for anyone hoping to understand the issues.