please answer me

1. a. What is the difference between procyclical and countercyclical economic variables. Give one exampl for each type of economic variable. b. What is the difference between short run and long run in macroeconomic analysis? 2. Assuming that the economy is initially at long run equilibrium, what are the short-run and long-run effe of a sharp increase in oil prices (a temporary negative supply shock) on output and ination? Explain using ADAS diagrams