Services on demand: We know how “surge pricing” through Uber, planes, hotels, and concert tickets—at high-demand times, you pay more to ensure your spot. But as this trend leaks into more public uses, like electricity and traffic, what are the potential consequences? The New York Times looks to a Nobel Prize winner, and to Bruce Springsteen:

“A good rule of thumb is we shouldn’t impose a set of rules that will create moral outrage, even if that moral outrage seems stupid to economists,” [Univers…