When using game theory to analyze oligopoly, firms will always have a dominant strategy

Immediately after the Federal Reserve buys government securities,

A) bank excess reserves rise. B) bank excess reserves fall. C) bank capital rises. D) bank capital falls.

If the price of a good doubles and quantity supplied triples, then

a. demand is elastic b. demand is inelastic c. supply is inelastic d. supply is elastic e. there is insufficient information to reach any conclusion about the price elasticity of supply