Problem
1. When is a production function said to have constant returns to scale, increasing returns to scale, or decreasing returns to scale?
2. How does technological change affect a firm's output?
3. What is an expansion path and how does it relate to a firm's total cost curve?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.