Key points are not available for this paper at this time.
Joel A. C. Baum, Heather A. Haveman, Love Thy Neighbor? Differentiation and Agglomeration in the Manhattan Hotel Industry, 1898-1990, Administrative Science Quarterly, Vol. 42, No. 2 (Jun., 1997), pp. 304-338
Baum et al. (Sun,) studied this question.