CROSS‐STATE DISPARITIES IN US HEALTH CARE EXPENDITURES
研究了1980至2004年间美国各州医疗保健支出的收敛程度，发现各州形成两个地理特征不同的俱乐部，并分析了九大支出成分的跨州差异。
This study examines the degree of convergence in health care expenditures among the US states from 1980 to 2004. Our results suggest that the US states form two clubs with specific geographical characteristics that converge to different equilibria. We also extend our analysis to investigate the cross-state disparities in nine major components of health expenditures. Our findings provide evidence for full convergence for only two components, namely 'physician and other professional services' and 'home health care'. However, for the remaining components, we can still identify various convergence clubs.