Jean Roth ,  jroth@nber.org , 2014-03-19

PDF Sources:
www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/AcuteInpatientPPS/Downloads/PUBFIL99.pdf
www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/AcuteInpatientPPS/Downloads/PUBFIL00.pdf
www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/AcuteInpatientPPS/Downloads/pubfil01.pdf
www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/AcuteInpatientPPS/Downloads/PUBFIL03.pdf 
www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/AcuteInpatientPPS/Downloads/PUBFIL04.pdf
http://www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/HospitalOutpatientPPS/downloads/cms-1501-fc_filelayout.pdf
http://www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/HospitalOutpatientPPS/downloads/CMS1506FC_2007_OPPS_Hospital_Specific_Impacts_File_Layout.pdf
http://www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/HospitalOutpatientPPS/downloads/CMS1392FC_2008_OPPS_Hospital_Specific_Impacts_File_Layout.pdf