America's political landscape is infested with many zombie ideas - beliefs about policy that have been repeatedly refuted with evidence and analysis but refuse to die. The most prominent zombie is the insistence that low taxes on rich people are the key to prosperity.

I think so long as fossil fuels are cheap, people will use them and it will postpone a movement towards new technologies.

There has been plenty to criticize about President Obama’s handling of the economy. Yet the overriding story of the past few years is not Mr. Obama’s mistakes but the scorched-earth opposition of Republicans, who have done everything they can to get in his way - and who now, having blocked the president’s policies, hope to win the White House by claiming that his policies have failed.

In fact, I'd say that the sources of the economy's expansion from 2003 to 2007 were, in order, the housing bubble, the war, and - very much in third place - tax cuts.

We have a lot of evidence on what happens when you raise the minimum wage. And the evidence is overwhelmingly positive: Hiking the minimum wage has little or no adverse effect on employment while significantly increasing workers' earnings.

The raw fact is that every successful example of economic development this past century ... has taken place via globalization.

Governments do not necessarily act in the national interest, especially when making detailed microeconomic interventions. Instead, they are influenced by interest group pressures. The kinds of interventions that new trade theory suggests can raise national income will typically raise the welfare of small, fortunate groups by large amounts, while imposing costs on larger, more diffuse groups.