An oil price shock: Suppose the economy is hit by an unexpected oil price shock that permanently raises oil prices by $50 per barrel. For this question, use the IS-MP model. (a) This is a temporary increase in o(bar) in the Phillips curve: the shock o(bar) becomes positive for one period and then goes back to zero. Explain why this is correct. (b)Using the full IS-MP short-run model, explain what happens to the economy in the absence of any monetary policy action. Be sure to include graphs showing how output and inflation respond over time. (c) Suppose you are in charge of the central bank. What monetary policy action would you take and why

Question 3 options: ps.55 four corners is an ibc company that sells delicious navajo tacos in the crossroads food court. part of their success can be attributed to the freshly fried indian bread that is used not only for the tacos, but also for dessert items. as demand grows the fry-bread process is becoming a bottleneck. operations management for the company is looking at two different process options to replace the highly manual process currently being used. option 1 (medium automation) would cost $175 to implement whereas option 2 (high automation) would cost $350. with option 1 the variable cost per fry bread produced would be $0.20. the variable cost for option 2 would be $0.09 per fry bread. at what volume (demand) of fry breads is the cost for the two options the same? (display your answer to two decimal places.)