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身边的经济学·社会常识英语精读30篇（9）

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How Fiscal Multipliers Diverge Across Income Strata — And Why Aggregate Models Obscure Distributional Reality

How Fiscal Multipliers Diverge Across Income Strata — And Why Aggregate Models Obscure Distributional Reality

财政乘数在不同收入阶层间的分化——以及为何总量模型掩盖了分配现实

  1. Fiscal stimulus does not operate uniformly: marginal propensity to consume varies sharply across income deciles.
  2. High-income households allocate over 70% of additional income toward savings or asset purchases, not domestic goods.
  3. Low-income households spend nearly 90% of fiscal transfers within three months, directly stimulating local demand.
  4. Yet national models treat government spending as a homogeneous injection, ignoring behavioral heterogeneity.
  5. This simplification leads to systematic underestimation of labor-intensive service sector impacts.
  6. It also misattributes inflationary pressure, conflating supply constraints with demand-side miscalibration.
  7. Cross-country evidence confirms multiplier divergence predicts post-stimulus employment polarization more accurately than GDP growth alone.
  8. Policy design fails when 'average' multipliers obscure how stimulus reshapes labor market power asymmetries.
  9. Targeted transfer mechanisms therefore reflect distributional ethics as much as macroeconomic technique.
  10. Central banks increasingly incorporate micro-level spending elasticity data into forward guidance frameworks.
  11. Ignoring stratified responses risks entrenching inequality even amid nominal expansion.
  12. Accurate modeling demands disaggregated household balance sheets — not just aggregated expenditure aggregates.
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