title: Concluding a five-part series, responding to PPS--responding over time: regulation vs. contract.
mesh_terms: D003284:Contract Services; D005161:Facility Regulation and Control; D005376:Financial Management; D005377:Financial Management, Hospital; D011445:Prospective Payment System; D011907:Rate Setting and Review / Q000331:legislation & jurisprudence; D012051:Reimbursement Mechanisms; D014481:United States