Krugman, as usual, nails it:

Does anyone remember the American Jobs Act? A year ago President Obama proposed boosting the economy with a combination of tax cuts and spending increases, aimed in particular at sustaining state and local government employment. Independent analysts reacted favorably. For example, the consulting firm Macroeconomic Advisers estimated that the act would add 1.3 million jobs by the end of 2012.

…

But the bill went nowhere, of course, blocked by Republicans in Congress. And now, having prevented Mr. Obama from implementing any of his policies, those same Republicans are pointing to disappointing job numbers and declaring that the president’s policies have failed.

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The most important consequence of [Republican] stonewalling, I’d argue, has been the failure to extend much-needed aid to state and local governments. Lacking that aid, these governments have been forced to lay off hundreds of thousands of schoolteachers and other workers, and those layoffs are a major reason the job numbers have been disappointing. Since bottoming out a year after Mr. Obama took office, private-sector employment has risen by 4.6 million; but government employment, which normally rises more or less in line with population growth, has instead fallen by 571,000.

Put it this way: When Republicans took control of the House, they declared that their economic philosophy was “cut and grow” — cut government, and the economy will prosper. And thanks to their scorched-earth tactics, we’ve actually had the cuts they wanted. But the promised growth has failed to materialize — and they want to make that failure Mr. Obama’s fault.

Read the full article at The New York Times.