Check this post from StackExchange [1]. One of the things I definitely took away from it is that while working remotely has benefits and affords flexibility to employees and employers, it incurs very real costs that have to be mitigated and accounted for. Making an explicit choice one way or the other can be better than muddling through halfway.

[1] http://blog.stackoverflow.com/2013/02/why-we-still-believe-i...