I found this article to be interesting. Some highlights:

Back in the 1980s, many commentators ridiculed as voodoo economics the extreme supply-side view that across-the-board cuts in income-tax rates might raise overall tax revenues. Now we have the extreme demand-side view that the so-called “multiplier” effect of government spending on economic output is greater than one — Team Obama is reportedly using a number around 1.5…

The explanation for this magic is that idle resources — unemployed labor and capital — are put to work to produce the added goods and services…

What’s the flaw? The theory (a simple Keynesian macroeconomic model) implicitly assumes that the government is better than the private market at marshaling idle resources to produce useful stuff. Unemployed labor and capital can be utilized at essentially zero social cost, but the private market is somehow unable to figure any of this out. In other words, there is something wrong with the price system…

(more…)

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