When several resources are combined in the production of a good, ...

[cherise1989]

When several resources are combined in the production of a good,
 a. it is easy to determine the marginal products of the various resources
  b. the marginal contribution of each input often cannot be observed
  c. allocating revenue among the various resources is easy
  d. there is more competition for each of the resources used
  e. there is less competition for each of the resources used

Question 2

If U.S. monetary authorities want to strengthen the dollar, they will
 a. sell dollars in the foreign exchange market
  b. buy dollars in the foreign exchange market
  c. declare the dollar devalued
  d. sell dollars and buy only Euros in the foreign exchange market
  e. encourage other central bankers to sell dollars in the foreign exchange market

[s.meritte]

Answer to Question 1

B

Answer to Question 2

B