Answer the following questions for this week's discussion board pertaining to Chapter 11. 1. Explain what is meant by a good being "excludable." Explain what is meant by a good being "rival in consumption." Is a slice of pizza excludable'? Is it rival in consumption? 2. Define and give an example of a public good. Can the private market provide this good on its own? Explain. 3. Define and give an example of a common resource. Without government intervention, will people use this good too much or too little? Explain