Zwanziger and you will Bamezai’s results (2006) was exactly like the ones from their before study

Zwanziger and you will Bamezai’s results (2006) was exactly like the ones from their before study

Zwanziger and you can Bamezei (2006) used a follow-up study where they adopted an identical fixed-effects specification, concentrating on an equivalent established and key independent societal fee variables regarding the exact same databases. The principal distinction is the fact that the investigation window, 1993 in order to 2001, try later on than just one thought inside Zwanziger, Melnick, and you may Bamezai’s 2000 data. The fresh reason to have back to the purchase price-moving on question that have a highly similar model while the same research provider but at a later time are twofold: (1) Ca hospitals’ rate battle increased along the 90s, and you may (2) brand new Balanced Budget Operate (BBA) of 1997 shorter the development rates out of Medicare hospital reimbursements. That the investigation windows straddles new 1997 passing of the BBA try a particular energy, particularly when you to believes you to definitely their specifications getting Medicare payment transform include exogenous adaptation when you look at the Medicare pricing.

However they put a slightly more number of control: average will cost you (instrumented), level of medical battle (brand new Herfindahl-Hirschman List [HHI]), 4 and HHI-season interactions

It discover zero statistically significant difference in cost-progressing relationships anywhere between to have-profit and you can nonprofit healthcare facilities, zero variation both before and after the fresh BBA, and no proof determine from the intensity of health competition.

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