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.

The federal government is basically an insurance company with an army.

Our popular economics writers, however, are not in the business of giving their readers a ringside seat on the research action; with no exception I can think of, they use their books to do an end run around the normal structure of scholarship, to preach ideas that few serious economists share. Often, these ideas are not just at odds with the professional consensus; they are demonstrably wrong, and sometimes terminally silly. But they sound good to the unwary reader.

The growth of the Internet will slow drastically, as the flaw in 'Metcalfe's law'–which states that the number of potential connections in a network is proportional to the square of the number of participants–becomes apparent: most people have nothing to say to each other! By 2005 or so, it will become clear that the Internet's impact on the economy has been no greater than the fax machine's.

Close the weak banks and impose serious capital requirements on the strong ones...You see, it may sound hard-hearted, but you cannot keep unsound financial institutions operating simply because they provide jobs.

What our economy needs is direct job creation by the government and mortgage-debt relief for stressed consumers. What it very much does not need is a transfer of billions of dollars to corporations that have no intention of hiring anyone except more lobbyists.

The trouble with poverty, as an issue, is that it has basically exhausted the patience of the general public.