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

The following accounts appeared in recent financial statements of delta air lines. identify each account as either a balance sheet account or an income statement account. for each balance sheet account, identify it as an asset, a liability, or stockholders' equity. for each income statement account, identify it as a revenue or an expense. item financial statement type of account accounts payable balance sheet advanced payments for equipment balance sheet air traffic liability balance sheet aircraft fuel (expense) income statement aircraft maintenance (expense) income statement aircraft rent (expense) income statement cargo revenue income statement cash balance sheet contract carrier arrangements (expense) income statement flight equipment balance sheet frequent flyer (obligations) balance sheet fuel inventory balance sheet landing fees (expense) income statement parts and supplies inventories balance sheet passenger commissions (expense) income statement passenger revenue income statement prepaid expenses income statement taxes payable balance sheet

In 2000, campbell soup company launched an ad campaign that showed prepubescent boys offering soup to prepubescent girls. the girls declined because they were concerned about their calorie intake. the boys explained that “lots of campbell’s soups are low in calories,” which made them ok for the girls to eat. the ads were pulled after parents expressed concern. why were parents worried? i

Nextdoor is an instant messaging application for smartphones. new smartphone users find it easier to connect with friends and relatives through this mobile app when compared to other similar instant messaging applications. hence, it has the largest user base in the industry. thus, nextdoor app's value has increased primarily due to itsa. learning curve effects. b. economies of scale. c. economies of scope. d. network effects.