Whenever you have dynamic interactions between 300 million people and the American economy acting in really complex ways, that introduces a degree of almost chaos theory to the system, in a literal sense.

New ideas are sometimes found in the most granular details of a problem where few others bother to look.

Not only does political coverage often lose the signal—it frequently accentuates the noise.

Walk rate is probably the area in which a pitcher has the most room to improve, but a rate that high is tough to overcome.

Economy is not baseball, where the game is always played by the same rules.

Actually, one of the better indicators historically of how well the stock market will do is just a Gallup poll, when you ask Americans if you think it's a good time to invest in stocks, except it goes the opposite direction of what you would expect. When the markets going up, it in fact makes it more prone toward decline.

I think a lot of journal articles should really be blogs.