A new study was just concluded that took a look at how well people understood basic facts of economics, then asked them about their politics.  When the results of the economics quiz were cross-referenced with the politics of the respondents, the results seemed to bear out what conservatives have said about liberals for years - they just don't understand economics.

But now we have some researchers backing up our intuitions and
observations who hail from a place that's overwhelmed
with liberal thought - academia.

(via the Washington Times)

Americans describing themselves as conservative, very conservative and libertarian "do reasonably well" when asked about basic economic questions involving supply, demand and the effects of regulation, concluded Mr. Klein, an economics professor at George Mason University, and Ms. Buturovic, an associate researcher with the polling firm Zogby International.

"But the left has trouble squaring economic thinking with their political psychology, morals and aesthetics," the two write.