All else equal, when oil prices increase, some uneconomical sources of oil tend to become more economical, and this will ________ proven reserves of oil and ________ the number of years it will take to deplete the stock of oil

Hedge funds ________

A) acquire access to funds by accepting deposits then using these monies to lend to households and firms B) raise funds by selling commercial paper then lend these funds to consumers C) acquire access to monies through the payment of premiums by employees D) are a special type of mutual fund

If opportunity costs are constant, the production possibilities frontier would be graphed as

A) a ray from the origin. B) a positively sloped straight line. C) a negatively sloped curve bowed in toward the origin. D) a negatively sloped straight line.