Liberals/Democrats do Worse on Basic Economic Questions Then Conservatives/Libertarians/Republicans

Maybe this explains why Liberals and the Democrats see nothing wrong with their policies, they just lack the basic economic understanding of what the impact will be. I am being tong and cheek here. The real reason likely has more to do with the cost benefit analysis they do; though this survey shows that they might not fully understand the harm they are trying to balance the good against.

http://online.wsj.com/article/SB10001424052748703561604575282190930932412.html

"Who is better informed about the policy choices facing the country—liberals, conservatives or libertarians? According to a Zogby International survey that I write about in the May issue of Econ Journal Watch, the answer is unequivocal: The left flunks Econ 101.
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How did the six ideological groups do overall? Here they are, best to worst, with an average number of incorrect responses from 0 to 8: Very conservative, 1.30; Libertarian, 1.38; Conservative, 1.67; Moderate, 3.67; Liberal, 4.69; Progressive/very liberal, 5.26.
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on every question the left did much worse.
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The survey also asked about party affiliation. Those responding Democratic averaged 4.59 incorrect answers. Republicans averaged 1.61 incorrect, and Libertarians 1.26 incorrect."