That's what he says in his column today. This seems more than a bit fantastic given the run-up in prices to $150 a barrel in 2008 followed by a plunge to less than $40. Most of these movements might be attributable to growth and then recession in the real economy, but it would require a story of incredibly inelastic supply and demand to fully explain these movements by the fundamentals of the market. There is research (here [link corrected] and here) that shows the opposite of Samuelson's assertion.

Site Maintenance

"The CEPR website currently takes longer to load than usual. We hope to have this and other issues addressed shortly. While this much needed site maintenance is taking place, our content is still available so please continue to slooowwwly surf the pages of our site. Thank you for your patience."