Which of the following is NOT a potential reason for wage differences by race or sex?

It is well documented that traveling on our nation's highways at lower speeds saves money on fuel and reduces accidents. Assume that a driver understands this but is unwilling to drive slower until he observes everyone else doing it

Can you make a parallel between this attitude and the case where countries will refuse to lower their tariffs unless their trading partners do the same?

The incentive to collect information is undermined by the ________

A) opportunity cost of collecting information B) asymmetric character of information flows C) free rider problem D) Willamette effect