Table 3: Technical efficiency of German hospitals, 2001-2003 2001 frontier estimates In docs 0.184 (0.016) 0.095 0.097 (0.023) (0.023) In other staff 0.113 0.046 0.089 (0.019) (0.019) 0.619 4.342 4.314 4.314 (0.053) (0.056) ffects on inefficiency private 2883 2.884 non-profit 2.137 1.821 (no sub 1.565 2.735 (1.034) (no subs xnon-profit)t 2.356 3.587 3.046 (1.408) (no-_ public)t-1 4.409 4.233 (1.942) east -0.580 1.313 3.974 surgery ratio 3.492 3.337 -2.375 (1.251) (1.391) (1.193) female ratio -1915 (1.210) constant 3.181 -4.67 4.712 (2.365) (2750) Log likelihood Obs 1,556 1,549 Standard errors in parenthesesTable 3: Technical efficiency of German hospitals, 2001-2003. ln weighted cases 2001 2002 2003 frontier estimates ln docs 0.158 0.184 0.154 (0.016) (0.017) (0.015) ln care 0.072 0.095 0.097 (0.023) (0.023) (0.023) ln other staff 0.113 0.046 0.089 (0.018) (0.019) (0.019) ln beds 0.589 0.619 0.598 (0.024) (0.025) (0.023) constant 4.342 4.314 4.314 (0.053) (0.056) (0.051) effects on inefficiency private 3.182 2.883 2.884 (1.216) (1.311) (1.518) non-profit 2.137 1.821 1.947 (0.869) (0.901) (1.075) (no subs×private)t−1 1.565 2.735 2.286 (0.531) (1.034) (1.025) (no subs×non-profit)t−1 2.356 3.587 3.046 (0.885) (1.408) (1.402) (no subs×public)t−1 4.409 4.339 4.233 (1.651) (1.942) (2.184) east -0.001 -0.580 -1.395 (0.290) (0.501) (0.831) plus75 ratio 1.313 3.974 3.346 (0.797) (1.605) (1.658) surgery ratio -3.492 -3.337 -2.375 (1.251) (1.391) (1.193) female ratio -2.119 -1.915 -1.466 (1.073) (1.185) (1.210) constant -3.181 -4.673 -4.712 (1.578) ( 2.365) (2.750) Log likelihood 508 482 519 Obs. 1,556 1,549 1,565 Standard errors in parentheses. 9