Opportunity cost (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Opportunity cost" in Simple English language version.

Last modified: 01:36:38, 3 June 2025 (UTC)

Ref.Un. Ref.Website

Global rank Simple English rank

11books.google.com

3^rd place

4^th place

7^th place

8^th place

books.google.com (Global: 3^rd place; Simple English: 4^th place)

McConnell, Campbell; Stanley L. Brue (2005). Microeconomics: principles, problems, and policies. McGraw-Hill Professional. p. 27. ISBN 0072875615.

nytimes.com (Global: 7^th place; Simple English: 8^th place)

Frank, Robert H. 2005. The opportunity cost of economics education