Two goods are complements if the:

If a producer can use resources to produce either good A or good B, then A: complements in production. B: substitutes in production. C: substitutes in consumption. D: complements in consumption.

The words on the left side of the heads function as (), while the words on the right side of the heads are ()． A: complements, specifiers B: prefixes, suffixes C: specifiers, complements D: suffixes, prefixes

Professor Poledna received their ( ) politely. A: compliments B: complements

The following sentence“He left a little boy and returned an old man.” contains two subject complements. （ ）

"The complement of a product of variables is equal to the sum of the complements of each variable " is a statement of DeMorgen's theorem

Which of the following explains why supply curves slope upward? A: prices and income B: increasing marginal cost C: resources and technology D: substitutes in production and complements in production

For what kind of preferences will the consumer be just as well-off facing a quantity tax as an income tax? A: Qusilinear utility function B: Cobb-Douglas utility function C: perfect substitutes D: perfect complements

The price of chicken increases as the result of higher pork prices. This indicates that A: chicken and pork are substitutes. B: chicken and pork are complements C: the market demand for pork is inelastic. D: the market demand for chicken is elastic.

For baseball card collectors, Babe Ruth baseball cards from 1927 are definitely A: perfectly inelastic in demand. B: perfectly inelastic in supply. C: complements for Bobby Bonds cards. D: substitutes for Bobby Bonds cards.