英文文献：Estimating Equivalent Scales for Food Expenditures
英文文献作者：Huang, Chung-Liang,Raunikar, Robert
英文文献摘要：
The equivalent scales were estimated to show the effects of age, sex and household size upon food expenditures. The results indicate that the cost of feeding a child is about 70 percent that of feeding an adult and there are economies of household size in family food expenditures.