Chatterji, Pinka; Ho, Chun-Yu; Jin, Tao; Wang, Yichuan - National Bureau of Economic Research - 2024
Since the inception of Medicare Part D in 2006, mergers and acquisitions (M&A) and regulatory changes have led to … examine how this industry consolidation affects Medicare beneficiaries' enrollment in PDPs and their out-of-pocket (OOP) drug … OOP drug expenditures, but these changes also affect Medicare beneficiaries indirectly through impacting PDP …