Intermediate Microeconomics and Its Application 11th Edition by Walter Nicholson,Christopher Snyder

تمرين 1

The data in Table include food both eaten at home and in restaurants. Do you think eating at restaurants follows Engel's law?
Table Percentage of Total Expenditures by U.S. Consumers on Various Items, 2007

Source: U.S. Bureau of Labor Statistics web site: http://www.bls.gov/cex/2007/share/income.pdf.