Coming up with a good idea, with an insight into the way the world works that is really new and that you really believe in, is a deeply satisfying experience.

I don't think I've had any great success in predicting politics or social change, nor have I really tried.

Coming up with a good idea, with an insight into the way the world works that is really new and that you really believe in, is a deeply satisfying experience.

If you want a simple model for predicting the unemployment rate in the United States over the next few years, here it is: It will be what Greenspan wants it to be, plus or minus a random error reflecting the fact that he is not quite God.

Where's that toxic rhetoric coming from? Let's not make a false pretense of balance: it's coming, overwhelmingly, from the right. It's hard to imagine a Democratic member of Congress urging constituents to be "armed and dangerous" without being ostracized; but Representative Michele Bachmann, who did just that, is a rising star in the G.O.P.

When depression economics prevails, the usual rules of economic policy no longer apply: virtue becomes vice, caution is risky and prudence is folly.

Evidence and expertise have a well-known liberal bias.