In economics, productivity is a measure of: A. the growth in a country's economy over time.

B. the amount of capital a business is able to generate.

C. the number of production possibilities available to a business.

D. the economic output achieved with a certain input.

The economic output achieved with a certain input

Explanation:

A pex

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.