All resources in OER Fundamentals Fall 2023 - Rural Arizona

Economic models

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Economic models are a way of taking complicated ideas and events and breaking them down into their most important characteristics. We use models in economics so that we can focus our attention on a few things instead of getting bogged down a lot of details. In this video, learn more about the role that models play in economics, and the importance of the assumptions that underlie those models.

Material Type: Lesson

Author: Sal Khan

Economic growth through investment

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Economic growth is an expansion of the capacity to produce goods and services. Economists traditionally believed that expanding the stock of capital leads to economic growth. In this video, we explore the important link between investment and growth using the PPC model. Created by Sal Khan.

Material Type: Lesson

Author: Sal Khan

Economic profit vs accounting profit

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Accounting profit is what many people tend to think of when they think profit, but an economist would say that you leave something very important out when you do so: opportunity costs. In this video, explore the difference between a firm's accounting and economic profit. Created by Sal Khan.

Material Type: Lesson

Author: Sal Khan

Economics Grade 10 - Demand

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ECONOMICS GRADE 10 TOPIC: Introduction to demand By the end of this lesson, learners should know how to:define Economicsdefine demandstate the law of demandlist and discuss the factors which determine demanddraw the demand curve using the demand scheduledifferentiate between changes in quantity demanded and changes in demand 

Material Type: Assessment, Diagram/Illustration, Homework/Assignment, Lesson, Textbook

Author: Hlengiwe SENOSI