The globe-trotting executive MBA is facing a stress test. For years, business schools have sold international mobility as central to the degreeās value, rotating modules across cities such as London, Singapore and New York, often in partnership…

The globe-trotting executive MBA is facing a stress test. For years, business schools have sold international mobility as central to the degreeās value, rotating modules across cities such as London, Singapore and New York, often in partnership…