Thursday, July 08, 2010

Krugman vs. Brooks - talk about an uneven matchup.

Oh David Brooks, why must you fight a battle of wits unarmed???
Brooks:
These Demand Siders have very high I.Q.’s, but they seem to be strangers to doubt and modesty. They have total faith in their models. But all schools of economic thought have taken their lumps over the past few years. Are you really willing to risk national insolvency on the basis of a model?

Moreover, the Demand Siders write as if everybody who disagrees with them is immoral or a moron. But, in fact, many prize-festooned economists do not support another stimulus. Most European leaders and central bankers think it’s time to begin reducing debt, not increasing it — as do many economists at the international economic institutions. Are you sure your theorists are right and theirs are wrong?

The Demand Siders don’t have a good explanation for the past two years. There is no way to know for sure how well the last stimulus worked because we don’t know what would have happened without it. But it is certainly true that the fiscal spigots have been wide open. The U.S. and most other countries have run up huge, historic deficits. And while this has helped save public-sector jobs, we certainly haven’t seen much private-sector job growth. It could be that government spending is a weak lever to counter economic cycles. Maybe monetary policy is the only strong tool we have.

The Mighty Krugman
A quick note on David Brooks’s column today. I have no idea what he’s talking about when he says,

The Demand Siders don’t have a good explanation for the past two years

Funny, I thought we had a perfectly good explanation: severe downturn in demand from the financial crisis, and a stimulus which we warned from the beginning wasn’t nearly big enough. And as I’ve been trying to point out, events have strongly confirmed a demand-side view of the world.

But there’s something else in David’s column, which I see a lot: the argument that because a lot of important people believe something, it must make sense:

Moreover, the Demand Siders write as if everybody who disagrees with them is immoral or a moron. But, in fact, many prize-festooned economists do not support another stimulus. Most European leaders and central bankers think it’s time to begin reducing debt, not increasing it — as do many economists at the international economic institutions. Are you sure your theorists are right and theirs are wrong?

Yes, I am. It’s called looking at the evidence. I’ve looked hard at the arguments the Pain Caucus is making, the evidence that supposedly supports their case — and there’s no there there.

And you just have to wonder how it’s possible to have lived through the last ten years and still imagine that because a lot of Serious People believe something, you should believe it too. Iraq? Housing bubble? Inflation? (It’s worth remembering that Trichet actually raised rates in June 2008, because he believed that inflation — not the financial crisis — was the big threat facing Europe.)

The moral I’ve taken from recent years isn’t Be Humble — it’s Question Authority. And you should too.