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Production Possibilities Frontier (PPF) Notes Essential Question: How do scarcity and tradeoffs affect an economy? Warm- Up Activity- Scenario: You are on a desert island. Alone. You must survive. The island has only one food source that you've found: pineapples. It takes you 2 hours to harvest and cut up 1 pineapple (you have no knife!). You also want to build your shelter. Each piece takes you 3 hours to build. You have only 12 hours of sunlight and need to complete your tasks by sundown. How will you spend your hours? Record your decision on your student notes. Warm- Up- 1. Think back to the Warm Up activity. Why did you spend your hours the way you choose? 2. What limits did you face? What tradeoffs did you make? 3. How does scarcity (limited resources) affect our economy and ability to produce