Demand and Supply

May 23, 2017

A Surprising Way to Ration Education

Because of increasing demand, Shanghai’s private schools have revised their admission requirements. In addition to the typical student tests and interviews, now parents and grandparents have to meet certain […]

May 10, 2017

When the Price is Always Right

At two gas stations near Rotterdam, price is constantly changing. Using software that recognizes buying behavior, the retailers try to match the price to the customer. Those who are willing to pay […]