Which of the following cost functions will exhibit both decreasing and increasing marginal costs?

Refer to above figure. In autarky, Country P was producing at point 5. With trade, would its production point be found above or below point 5? Explain why

What must happen in the K/L intensity ratio in the production of each of the products in this country when moving from autarky to free trade?

If a bond dealer sells a government bond to the Fed for $100,000, and the reserve ratio is 10 percent, then the bank that receives a $100,000 deposit from the dealer can expand its loans by ________,

and the money supply can increase by as much as ________. A) $80,000; $800,000 B) $10,000; $100,000 C) $90,000; $1,000,000 D) $90,000; $900,000