Deans see challenges for off-campus E.M.B.A. programs in the United States

In 2013, the Olin Business School at Washington University in St. Louis stretched its executive M.B.A. program to the West for the second time in three years. The business school at the private nonprofit university announced it would start offering its executive M.B.A. program, or E.M.B.A., in Denver in September of that year. The 20-month program would meet monthly in chunks of several days and be split into two halves -- the first in Denver and the second on the campus of Washington...