Which of the following is the closest example of a perfectly competitive industry?

If firms sell exactly what they expected to sell, all of the following will be true except

A) aggregate expenditure will be greater than GDP. B) there is no unplanned change in inventories. C) aggregate expenditure will be equal to GDP. D) inventories will not change, and GDP and employment will remain stable.

In each of the following scenarios, explain why the euro will appreciate or depreciate in a system of floating exchange rates. (A) A recession in Germany cuts German purchases of American goods. (B) American investors are attracted by prospects for profit on the Frankfurt Stock Exchange. (C) Interest rates on government bonds rise in the United States but remain stable in Germany.

What will be an ideal response?