[...] in the absence of any significant liquidity-constraint, "when spending cuts are perceived as permanent, consumers anticipate a reduction in the tax burden and a permanent increase in their lifetime disposable income." This leads them to spend and invest more today because they perceive that "previously expected large tax increases will not be necessary in the future," which is especially true at higher rates of taxation. When such policies are followed in periods of "fiscal stress," the results are better because the signal that the cuts will be permanent is more credible. [...]
from Alesina and Ardanga's 1998 paper "Tales of Fiscal Adjustment". who tf thinks like this, please tell me
there's a similar one on p174: "Consumers with rational expectations are seen to calculate their lifetime consumption function based on the credibility of the signal to cut spending by the government, and they accurately incorporate these estimates into their private spending decisions."