Suppose that you are a writer for the blog All Things Chocolate and are writing a post that illustrates how principles from your economics class can be illustrated by the market for chocolate candy bars. You want to include some headlines from recent news stories. Find actual news articles using chocolate to illustrate each of the following concepts, or if none are available, create your own detailed headlines. You may draw a graph to illustrate the changes in equilibrium.

1. Change in quantity demanded

2. Change in quantity supplied

3. Change in number of buyers of chocolate bars

4. Change in the price of related goods

5. Change in consumer expectations

6. Change in income of chocolate bar buyers

7. Change in technology

8. Change in input prices

9. Change in the number of sellers

10. Change in producer expectations.