题目内容

Suppose the cross-price elasticity of demand is a negative number. We know that

A. . the two goods are complements.
B. . the two goods are substitutes.
C. . the two goods are inferior goods.
D. . the two goods are normal goods.

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A. . a complementary good.
B. . a substitute good.
C. . a normal good.
D. . an inferior good.

A. . unit price elastic.
B. . perfectly price inelastic.
C. . price elastic.
D. . price inelastic.

A. . Total revenue will rise.
B. . Total revenue will fall.
C. . Total revenue will not change.
D. . The effect on total revenue cannot be predicted.

A. . inelastic.
B. . elastic.
C. . perfectly inelastic.
D. . perfectly elastic.