What is productivity
a. quantity of input per unit of output
b. quantity of output per unit of input
c. quality of output per unit of input
d. quality of input per unit of output

Which of the following is a personal responsibilty

In the wake of the civil war, compared to the south the north had sustained very little destruction. had to create a new labor system. had more economic challenges. had to repair damaged property.

Why did the athenians choose officials by lottery? would there be drawbacks to this method? explain.