Refer to the above table. The table gives the combinations of real disposable income and real consumption for a college student for a year. What is the value of the average propensity to consume when real disposable income equals $1400?

Consumer preferences, prices of related goods, income, and demographic characteristics are often termed:

A) market technologies. B) demand prices. C) demand shifters. D) supply determinants.

Tomas increased his consumption of potato chips when the price of pistachios increased. For Tomas, potato chips and pistachios are

A) both luxury goods. B) substitutes in consumption. C) both inferior goods. D) complements in consumption.