Martha was a grocery store clerk a local supermarket, until her job was replaced by self-checkout machines and the rise of online grocery deliveries. Show now must be trained for a completely new profession. Marth is experiencing

The model in which one firm sets its price first, and others in the industry charge the same price is known as:

a. the Nash equilibrium. b. price leadership. c. a tit for tat strategy. d. prisoners' dilemma.

Appreciation of the U.S. dollar will ________ exports and ________ imports, other things equal

A) increase; increase B) increase; decrease C) decrease; decrease D) decrease; increase