The Fact That Some Resource Prices Are Fixed by Contracts

Multiple Choice

The fact that some resource prices are fixed by contracts help explain why firms:

A) increase output in the short run when the price level increases.
B) keep production levels constant in the short run when the price level decreases.
C) sell output in the short run at fixed prices.
D) increase output in the long run when the price level increases.
E) decrease production when nominal wages fall in the long run.