The big surprise in the results CoreNet Global director of publications and media relations Richard Kadzis tells GlobeSt.com is that nearly "half or so of the members in New York City say they are heading out of Dodge or taking vacation time." And they don't expect it to be business as usual as 56% feel the absence of workers in their normal workplaces will create a decline in productivity, while 29% anticipate a negative financial impact.

Those surveyed say their companies will take additional security precautions--47% say existing policies will be enforced more strictly and 18% say they will be changing or limiting building access during the convention.

CoreNet's local members expect to use backup plans such as having employees work from home, letting them take some time or have them report to alternate office space away from the Madison Square Garden area. The managers are anticipated rail and traffic delays as well as other inconveniences that might hamper employee's abilities to perform their jobs. Approximately 25% are providing workers with the option to work from home, 22% are providing some sort of liberal leave and 6% say workers can report to alternative office space.