Starbucks Drive-Through Economics

My new Starbucks has a drive-through. If you look at a high shelf near the window through which the baristas hand the coffee and food to drivers, you see a screen with little cars and numbers. Changing from green to yellow…

Production Possibility Frontiers: Entering (and Exiting) a Discovery Void

After technological innovation multiplies, might the pace of discovery slow down? Think of the history of antibiotics. Starting with the Sulfa drugs that were first discovered during the 1930s, the new antibiotic timeline is congested until 1962. Yes, recently, new antibiotics classes were introduced.…