- Define (using graphs as approrpriate) the production possibilties curve (PPC) and related terms
 - Explain how the PPC illustrates opportunity costs, trade-offs, inefficiency, efficiency, and economic growth or contraction under various conditions
 
- Using yesterday's instructional notes on 1.3, calculated opportunity costs using a given PPC
 
📖 Corresponding Reading
- Complete PPC problem set before class on W 17 Sep 2025, if necessary