The first English colonies in North America were established by:
a. Sir Humphrey Gilbert.
b. Christopher Columbus.
c. Capt. John Smith.
d. Sir Walter Raleigh.
d. Sir Walter Raleigh
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Comparing the AS-AD model and the Phillips curve, we see that
A) they both are graphed as a relationship between the rate of inflation and the unemployment rate. B) the AS-AD model uses the price level and the Phillips curve uses the rate of inflation. C) the AS-AD model is graphed as a relationship between the inflation rate and the rate of real GDP. D) the AS-AD model uses the price level and the Phillips curve uses real GDP. E) the Phillips curve is graphed as a relationship between the price level and the unemployment rate.
The Roomba 570 is a robotic vacuum cleaner made and sold by iRobot. It can vacuum 4 rooms on a single battery charge and it costs $2 worth of electricity to charge the Roomba
Lynn is a house cleaner and can vacuum 4 rooms in 1 hour with a traditional vacuum. Suppose you want the 4 rooms in your house vacuumed once a week for one year. Ignoring the cost of any electricity Lynn uses, which method is economically efficient if Lynn charges $20 per hour? $30 per hour? A) Roomba if Lynn charges $20 per hour and Lynn if she charges $30 per hour B) Lynn if she charges $20 or $30 per hour C) Roomba if Lynn charges $20 or $30 per hour D) Lynn if she charges $20 per hour and Roomba if Lynn charges $30 per hour
When a system of pollution rights is in effect, polluters have no economic incentive to reduce the amount of pollution they generate
a. True b. False
An entrepreneur is considering how many limousines to purchase when he starts up a limousine service. Below are his estimates of the number of limousine rentals the service will make during a year, depending on the number of limousines available.Number oflimousinesTotal numberof rentals13502650390041,10051,250After paying all non-interest expenses, the owner expects to net $10 per rental. Each limousine costs $50,000. How many limousines should he purchase if the real interest rate is 6.5%?
A. 2. B. 4. C. 3. D. 1.