For lock-in to be an effective competitive strategy, a firm must successfully raid the customer base of competing firms on a regular basis

In an economy where net exports are zero, if saving rises in some period, then in that period

a. consumption and investment fall. b. consumption falls and investment rises. c. consumption rises and investment falls. d. consumption rises and investment falls.

According to economic theory, how do people make decisions?

A) They make decisions in the same manner as their parents did. B) They make decisions by looking at what others have done in the same situation and then doing the opposite. C) They make decisions by looking at what others have done in the same situation and then doing the same. D) They make decisions based on their own self-interest.