The office slump: A look at the priciest building sales and biggest office leases of 2012

From the January issue: The uncertain economy kept larger companies at bay in 2012 when it came to buying and leasing Manhattan office buildings. On the investment sales side, the top 10 priciest building sales of last year included only three office buildings — a weak showing compared to the year before, when there were eight. Meanwhile, there was a steep drop-off on the office-leasing front, which saw activity fall by as much as a third