According to the source, what happens to production costs in a decreasing cost industry as the market expands, and what example does it give?

1. A decreasing cost industry is defined by falling production costs as the market expands. 2. The source attributes this to industry-wide technology improvements or a more educated workforce. 3. It names high tech industries as a good example of this pattern. 4. Rising costs from scarce skilled labor describes the increasing cost case instead, and agriculture was the constant cost example given earlier. _Source: OpenStax Principles of Microeconomics for AP Courses (CC BY 4.0), Ch 8 "Perfect Competition", section 8.3 | Entry and Exit Decisions in the Long Run_