The income elasticity of demand for bicycles is +10, which implies that bicycles are

The purchasing power of money

A) rises when prices fall. B) rises when prices rise. C) is set by the Fed in January of each year. D) is constant.

Which is NOT an example of signaling high quality in a social setting

a. wearing a business suit on a job interview b. leaving a big tip for the waiter after a dinner date c. offering an expensive engagement ring to your bride d. Doing messy chores before a big date