The range in which a duopoly's output falls is less than or equal to the output level in ________ and more than or equal to the output level in ________

The two main types of economies generating current account surpluses from 2000 to 2007 were Asian exporters and oil producers

Indicate whether the statement is true or false

Interest rates are positive because

A) people prefer future consumption over current consumption. B) people prefer current consumption over future consumption. C) usury laws require rates to be very high. D) banks are not competitive.