英文文献：Expenditures on Food Away from Home by All-Income and Low-Income .-. Households: Analysis Using USDA's 1985 and 1986 Continuing Survey of Food Intakes by Individuals (CSFII) Data
英文文献作者：Basiotis, P. Peter,Yang, Hsiu-Wei
英文文献摘要：
Data f~om USDA's Continuing Survey of Food Intakes by Individuals 1985 and 1986, all income and low income, were utilized to estimate relati.onships between expenditures on food away from home and household characteristics using; household production framework and correcting for possible sample selection bias due to refusal to participate in the survey. Estimated income elasticities were .54 for the all-income and .68 for the low-income samples.