When the market value of the dollar falls relative to other currencies around the world,
we say that
A) the dollar has appreciated.
B) the dollar has depreciated.
C) the demand for dollars has decreased.
D) the supply of dollars has decreased.
Joss is a marketing consultant. Iris and Daphne are potential customers interested in
commissioning Joss to undertake a market survey and compile the findings in a report.
Iris is willing to pay $500 for the service while Daphne is willing to pay $800. Suppose
that the opportunity cost of Joss’s time is $1,200. Assume that Iris and Daphne do not
know each other. If the price is $500 per copy
A) only Iris will purchase Joss’s services and Joss will undertake the job for her.
B) only Daphne will purchase Joss’s services and Joss will undertake the job for her.
C) both Iris and Daphne will purchase Joss’s services and Joss will undertake the job.
D) both Iris and Daphne will want to purchase Joss’s services but Joss will not be
willing to undertake the job.
When the price of pistachio nuts is $7.50 per lb. the quantity demanded is 48 lbs. When
the price of peaches is $9.00 per lb. the quantity demanded is 40 lbs. When the
midpoint formula is used to measure the price elasticity of demand we can say that the
demand for pistachio nuts is