In the wake of Wall Street's recent tumble, several cities have started vying for New York's position as the center of worldwide finance. In Shanghai, for example, some investors have noted that, in spite of the city's relative inexperience in the world of high finance, it is swimming in cash. Tokyo, meanwhile, is working on rearranging its regulatory structure in an attempt to make its markets more attractive to international investors.

Perhaps the most interesting competitor for the throne of worldwide financial center is Dubai. Currently in the middle of a massive construction boom, the city has taken a variety of steps to make itself attractive to foreign workers, including relaxing Islamic law and creating so-called "free zones," where taxes are greatly reduced. On the other hand, Dubai has a mean humidity of over 60% and several months where the average temperatures top 100° F. Of course, if everything was based on climate, the worldwide financial center would probably be in the South of France!

While it's hard to imagine New York ceding its position at the heart of worldwide finance, the same could once have been said of Venice or London. The one constant in world history is that nothing lasts forever, and countries that fail to remain competitive do so at their peril. While we wait to see the future of New York, I'm going to try to imagine Jim Cramer in a keffiyah!