Thought I'd take a moment to summarize my views on the economic crisis, which I think have undergone a good deal of evolution in the past few months, but also have some continuity.
Causes. Milton Friedman, in his 1963 classic (with Anna Schwartz) A Monetary History of the United States, turned the discipline of economics upside-down by arguing compellingly that the Great Depression had nothing to do with Keynes' "animal spirits" and aggregate-demand multipliers but, instead, was a result of inept monetary policy by the Fed, which shrunk the money supply and drove down prices during a recession. My analysis of the current crisis is similar. The Fed-- Greenspan in particular-- wasn't so much incompetent this time, as he had the wrong mandate. He was supposed to stabilize consumer prices, while maintaining high employment, and by that standard, he did fine. It wasn't Greenspan's job to prevent a stockmarket bubble or a housing bubble. What I think this recession is making clear is that the harms done to the economy by falling asset prices, especially falling house prices, are at least as bad as the harms from falling consumer prices. Interest rates should have been higher for much of the past ten years to prevent these bubbles from inflating, and maybe we should have accepted a bit of consumer price deflation. Now, on the other hand, we should try to push house prices at least partway back to their previous level, even at the expense of pushing up consumer prices.
Model updating. For some reason, Keynesianism is suddenly fashionable. It makes sense to revise one's model of how the world work when new, unanticipated facts appear. Call this "model updating." Keynesianism has lost a lot of ground in the past 40 years; now maybe some people think what they're seeing is causing them to revise their models back in the direction of Keynesianism. I can't tell whether there are actually many people doing this. Some economists, Eugene Fama for instance, seem inclined to disregard Keynes entirely, and few seem to be getting on board whole-heartedly with plans for Keynesian stimulus except the usual leftie suspects like Krugman and DeLong. Is there someone who's been a skeptic of Keynesianism, on theoretical and/or empirical grounds, who has been persuaded to favor it by recent developments? What are those grounds?
In the past few years-- before the crisis-- I had been "updating my model" in favor of Keynesianism somewhat, because of Bush. The 2001 recession looked, in some ways, a lot like the 1929 recession: a huge stockmarket boom, driven by lots of new technology, in an era of relatively small and conservative government, led to a sudden crash. In the 1930s there was a lot of intervention but overall the record of Hoover and FDR was not Keynesian. One move in particular-- sharp rises in taxes-- was anti-Keynesian, tending to suppress aggregate demand just when, according to Keynesian theory, it was most needed. The Bush administration, by contrast, spent a lot and cut taxes during a recession-- the Keynesian formula. And the Fed kept interest rates low. The result looked pretty spectacular, not so much for the US, which did fine but no better than usual and a bit worse than the late 1990s, but for the world, which enjoyed a spectacular boom for about four years. So, while I still resisted it at the theoretical level and was far from convinced empirically, I was starting to think, "Maybe Keynesianism works after all."
Now I'm revising my model in the opposite direction. Bush's deficit tax-cutting and spending pulled the US and world economies along for a few years, and may have prevented (in any case it didn't happen) the 2000-01 stockmarket correction from leading to a depression like that after the crash of 1929. But this seems to have come at the expense of increasing economic distortions, such as a housing bubble, and growing private and public debt. Perhaps there's some link between this and the labor force participation rate. The revised view towards which I'm gravitating is that Keynesianism can work, at least sometimes and if it's pursued quite aggressively, in the short run, but that the long-run price paid in economic and institutional distortions is too high.
The international dimension of the crisis is very important and that's the part I understand least well.
Congratulations to Iraqis on their second democratic elections. The quixotic project of not only regime changing Saddam, which was worthwhile in itself, but also of bringing democracy to Iraq, is looking more and more like a success. A very crude summary of what Bush did is: 1) Keynesian economics at home; and 2) liberation in foreign policy. (Social Security and immigration reform were part of his domestic-policy vision but, sadly, not his legacy.) Now (1) is looking like a bad mistake, and (2) is looking shrewd and far-sighted. Lesson: Abandon (1), do more of (2). Unfortunately, Obama looks like he'll do just the opposite.
One more thing. I've tended to be a little disdainful of popular pessimism about the economy in recent years. To me, the pretty low unemployment and strong productivity growth of the Bush years (plus strong growth in developing countries) constituted an objectively good economy, and people's economic pessimism showed they were either ignorant or spoiled. Now, though, I'm thinking that maybe people felt something I wasn't picking up, that they had shrewd premonitions of impending trouble. Was growing debt, public and private, the signal of turbulence ahead? If so, might people welcome a sudden embrace of austerity?
UPDATE: It occurs to me that maybe the great politician of our generation is really... Newt Gingrich. Think about it. The late 1990s have become the new golden age. What did we do right that brought us that? Welfare reform and balancing the budget. Clinton deserves some credit for that, but he was sort of along for the ride. Gingrich was the revolutionary, the one who put together a popular platform, ran on it, implemented it, the one who rolled back government enough to give the economy room to grow. Are there any Newt Gingriches waiting in the wings to grab the steering wheel in 2010?
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