The Choices That Elevators Make

Assume that you are on the seventh floor waiting for one of three elevators. Car 1 can arrive in 15 seconds but the total wait time will be 25 seconds because it has a stop on the eighth floor. Closer…

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. Changin…

Cheesecake Medicine?

Could Cheesecake Factory help us fix our healthcare system? Touring the kitchen of a Cheesecake Factory restaurant, you would see arrival, refrigeration and storage areas, and cutting, mixing, choppin…

Speedy Airplane Boarding

Closely connected to an airline’s bottom line, speedy boarding means more efficiency. Here you can see the following alternative boarding strategies in action. Front to back: Least popular. Earl…

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