Who would be more likely to study the effects of rent control on housing in New York City, a macroeconomist or a microeconomist?

Suppose in London £/$ = 0.5 while in New York £/SF = 0.2. The corresponding cross rate (SF/$) is

A) 2.5. B) 0.1. C) 0.4. D) 0.3.

The natural rate hypothesis suggests that improvements in technology that occur normally during the course of time will lead the economy to the natural rate of unemployment

a. True b. False Indicate whether the statement is true or false