Unit 1: Basic Economic Concepts · Lesson 1

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Scarcity, opportunity cost and comparative advantage and the rest of the free lessons open with an account. Your progress saves to it.

• Practice exam 1 with a free account
• The 15-question test and study plan
• Three lessons
• Unit 1 practice
• Two free-response questions marked by Mia
• The graph drill and the unit-weight planner