International trade, and changes in the aggregate price level.
a. suppose that the mpc is equal to 0.75. what was the size of the change in government purchases of goods and services that resulted in the increase in real gdp of $200 million?
b. now suppose that the change in government purchases of goods and services was $20 million. what value of the multiplier would result in an increase in real gdp of $200 million?
c. given the value of the multiplier you calculated in part b, what marginal propensity to save would have?

The price of trade suppose that portugal and sweden both produce rye and wine. portugal's opportunity cost of producing a bottle of wine is 4 bushels of rye while sweden's opportunity cost of producing a bottle of wine is 10 bushels of rye. by comparing the opportunity cost of producing wine in the two countries, you can tell thatportugal/sweden has a comparative advantage in the production of wine.andportugal/sweden has a comparative advantage in the production of rye. suppose that portugal and sweden consider trading wine and rye with each other. portugal can gain from specialization and trade as long as it receives more rye for each bottle of wine it exports to sweden. similarly, sweden can gain from trade as long as it receives more bottles of wine for each bushel of rye it exports to portugal. based on your answer to the last question, which of the following prices of trade (that is, price of wine in terms of rye) would allow both sweden and portugal to gain from trade? a. 1 bushels of rye per bottle of wineb. 8 bushels of rye per bottle of winec. 9 bushels of rye per bottle of wined. 3 bushels of rye per bottle of wine

Gyou plan to deposit $1,700 per year for 5 years into a money market account with an annual return of 2%. you plan to make your first deposit one year from today. what amount will be in your account at the end of 5 years? round your answer to the nearest cent. do not round intermediate calculations. $ assume that your deposits will begin today. what amount will be in your account after 5 years? round your answer to the nearest cent. do not round intermediate calculations.

You were able to purchase two tickets to an upcoming concert for $100 apiece when the concert was first announced three months ago. recently, you saw that stubhub was listing similar seats for $225 apiece. what does it cost you to attend the concert?