The past three years have been a disaster for most Western economies. The United States has mass long-term unemployment for the first time since the 1930s. Meanwhile, Europe’s single currency is coming apart at the seams. How did it all go so wrong?

Well, what I’ve been hearing with growing frequency from members of the policy elite — self-appointed wise men, officials, and pundits in good standing — is the claim that it’s mostly the public’s fault.