Math Geek Mom: Pet Rocks (and Such)

By Rosemarie Emanuele. In a recent class in Microeconomics, I found myself explaining how a change in tastes could affect the demand for a good. To illustrate this concept, I drew upon the idea of “pet rocks,”  which were popular when I was a teen. When I mentioned these to my students, they, mostly millennials, looked at me like I had lost my sanity. Read more...