Refer to the above figure. The top two arrows of the figure refer to the product markets. The bottom arrows refer to the factor markets. Which arrow represents factor services?

Refer to Figure 1A.1. The slope of the line between the points where income equals 50 and income equals 200 is

A) 0.2. B) 5. C) 10. D) 50.

Data from the United States and the United Kingdom show that the short-run Phillips curve exhibits

A) positive slopes in both nations. B) shifts that occur every five years or so. C) a great deal of shifting. D) stability with shifts occurring only when there is an internal change of government. E) stability with shifts occurring only when external forces are strong.