Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/economics-finance-domain/ap-macroeconomics/basic-economics-concepts-macro/production-possibilities-curve-scarcity-choice-and-opportunity-cost-macro/v/production-possibilities-curve
In this video Sal explains how the production possibilities curve model can be used to illustrate changes in a country’s actual and potential level of output. Concepts covered include efficiency, inefficiency, economic growth and contraction and recession.
View more lessons or practice this subject at http://www.khanacademy.org/economics-finance-domain/ap-macroeconomics/basic-economics-concepts-macro/production-possibilities-curve-scarcity-choice-and-opportunity-cost-macro/v/production-possibilities-curve?utm_source=youtube&utm_medium=desc&utm_campaign=apmacroeconomics
AP Macroeconomics on Khan Academy: Welcome to Economics! In this lesson we’ll define Economic and introduce some of the fundamental tools and perspectives economists use to understand the world around us!
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc