Economies of scale, household size, and the demand for food
Economies of scale, household size, and the demand for food
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DOI：
10.1086/250035
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发表时间：
1998-10-01
影响因子：
8.2
通讯作者：
Parson, C
中科院分区：
文献类型：
--
作者：
Deaton, A;Parson, C
家庭规模经济似乎归因于共享家庭公共产品，在人均资源水平相同的情况下，家庭规模越大，家庭状况越好。因此，人口较多的家庭对私人物品（如食品）的人均消费应该更高，前提是他们不过多地替代实际上更便宜的公共物品。事实恰恰相反。来自富国和穷国的数据表明，在人均总支出不变的情况下，人均粮食需求随着家庭人数的增加而减少，最贫穷的国家减少最多，在那里替代作用应该最少。
Household scale economies are plausibly attributed to shared household public goods that make larger households better off at the same level of per capita resources. Larger households should therefore have higher per capita consumption of private goods, such as food, provided that they do not substitute too much toward the effectively cheaper public goods. The evidence shows exactly the opposite. Data from rich and poor countries indicate that, at constant per capita total expenditure, the per capita demand for food decreases with household size and that it does so most in the poorest countries, where substitution should be the least.