Barro从联邦政、州以及各地方的所得税和社会保障工资税得出平均边际税率 * ，他也基于平均边际税率的变化对GDP的影响而估算出税收乘数（tax multipliers）。
Barroalso estimates tax multipliers based on the effects on GDP of changes inaverage marginal tax rates from federal and state and local income taxes, andsocial security payroll taxes.
而更险的一招是，运用低于正式会计标准的收入所得——这使乘数达到27。
A more cautious approach, using earnings reported under official accounting standards, puts the multiple at 27.
而更险的一招是，运用低于正式会计标准的收入所得——这使乘数达到27。
A more cautious approach, using earnings reported under official accounting standards, puts the multiple at 27.
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