The tragedy of the commons explains why avocados can be more important than elephants.
Learn With Elaine: Superhero Ownership
Even though it does not really exist, a Marvel superhero is intellectual property that a company like Disney can own.
Learn With Elaine: How Transparency Transformed Food Shopping
When the development of cellophane let us have self-service food shopping for meat and produce, it started a retailing revolution that economists call creative destruction.