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.

Which examples are relevant sources for students to use in research? check all that apply. a journal entry written by a professor who is considered an expert a report written by an independent government source a presentation by a company that includes paid information a document published by a renowned organization a scientific paper put out by a non-profit organization a blog whose author tries to sell a product or service