With which choice are you more likely to avoid Bid-rigging cartels?

When two goods are substitutes for each other, the cross price elasticity of demand

A) will be negative. B) will be zero. C) may be either positive or negative. D) will be positive.

Capitalism and socialism have not existed forever. Capitalism came into existence in the:

A. mid-1700s and socialism came into existence in the early 1900s. B. mid-1800s and socialism came into existence in the early 1900s. C. early 1900s and socialism came into existence in the mid-1800s. D. early 1900s and socialism came into existence in the mid-1700s.