Choose the correct definition of purchasing power parity. In the long run, a unit of currency can buy the same quantity of goods and services anywhere in the world.
In the long run, a unit of currency buys the same amount of a good for a poor person as a rich person.
The currency exchange rate between two nations will always gravitate toward 1 to 1.
The exchange rate from currency A into currency B is the reciprocal of the rate from B into A.

The local electronics store is offering a promotion "1-year: same as cash," meaning that you can buy a tv now, and wait a year to pay (with no in

The purpose of safety stock is to: a. eliminate the possibility of a stockout. b. control the likelihood of a stockout due to variable demand and/or lead time. c. eliminate the likelihood of a stockout due to erroneous inventory tally. d. protect the firm from a sudden decrease in demand. e. replace failed units with good ones.

Wo firms, a and b, each currently dump 50 tons of chemicals into the local river. the government has decided to reduce the pollution and from now on will require a pollution permit for each ton of pollution dumped into the river. it costs firm a $100 for each ton of pollution that it eliminates before it reaches the river, and it costs firm b $50 for each ton of pollution that it eliminates before it reaches the river. the government gives each firm 20 pollution permits. government officials are not sure whether to allow the firms to buy or sell the pollution permits to each other. what is the total cost of reducing pollution if firms are not allowed to buy and sell pollution permits from each other? what is the total cost of reducing pollution if the firms are allowed to buy and sell permits from each other? a. $3,000; $1,500 b. $4,500; $3,500 c. $4,500; $4,000 d. $4,500; $2,500