Money may make the world go round but some places spin faster than others. Tokyo for example has regained its title as the world’s most expensive city in an annual cost-of-living survey released recently by the Economist Intelligence Unit. It’s a familiar if dubious distinction for the Japanese capital which also tops similar recent lists from consulting groups Mercer and ECA International and has been first in the EIU’s rankings for most of the past 20 years. Among U.S. cities New York and Los Angeles are the most expensive though Vancouver is still the most expensive location in North ...