TY - BOOK AU - Gaynor, Martin AU - Kleiner, Samuel A AU - Vogt, William B ED - National Bureau of Economic Research TI - A Structural approach to market definition with an application to the hospital industry T2 - NBER Working Paper PY - 2011/// CY - Cambridge PB - NBER KW - NBERWP 16656 KW - E4510.pdf UR - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2011/E4510.pdf ER -