Structural Change and the Kaldor Facts in a Growth Model With Relative Price Effects and Non-Gorman Preferences
基于美国数据,构建了一个包含非Gorman偏好的宏观模型,解释了商品支出份额下降、相对价格下降以及贫富家庭支出差异,同时符合卡尔多事实,并利用微观数据分解了收入效应和替代效应的重要性。
U.S. data reveal three facts: (1) the share of goods in total expenditure declines at a constant rate over time, (2) the price of goods relative to services declines at a constant rate over time, and (3) poor households spend a larger fraction of their budget on goods than do rich households. I provide a macroeconomic model with non-Gorman preferences that rationalizes these facts, along with the aggregate Kaldor facts. The model is parsimonious and admits an analytical solution. Its functional form allows a decomposition of U.S. structural change into an income and substitution effect. Estimates from micro data show each of these effects to be of roughly equal importance.