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. Author manuscript; available in PMC: 2019 Jun 26.
Published in final edited form as: Reg Sci Urban Econ. 2014 Feb 22;49:217–231. doi: 10.1016/j.regsciurbeco.2014.02.003

Table 7.

Estimates of hospitals production functions.

Cardiology General medicine Heart surgery Neurology Neurosurgery Oncology Orthopedics Surgery
Output: Discharges
Intercept 5.88 −0.97 7.56 11.23*** −2.50 −10.68 −5.67*** 4.56**
BEDS 0.78 −0.71 −0.53 0.54 −0.61 4.16** 0.88 −0.08
PHYS 0.71 −0.50 3.17 2.97** 1.60 −2.44 0.30 −0.11
NURS −0.13 2.30*** −2.77 −3.62** −1.37 4.42* 1.47** −0.02
OTHER −0.71** −0.63*** −0.34 −0.19 1.23* −0.65 −0.06 0.40*
BEDS2 −0.11* 0.10 0.25* 0.27*** −0.05 0.05 0.20*** 0.14
BEDS × PHYS −0.28*** −0.09 −0.21 −0.07 0.01 −0.01 −0.04 0.11
BEDS × NURS 0.32*** 0.32*** 0.19 −0.03 0.02 −0.29 0.02 −0.12
BEDS × OTHER −0.04 −0.16*** 0.02 0.06 0.08 0.02 −0.07 0.04
PHYS2 0.02 0.13** 0.04 −0.54* −0.26 −0.12 −0.18** 0.08
PHYS × NURS −0.04 −0.18** −0.47 0.47 0.19 0.48 0.15 −0.08
PHYS × OTHER 0.03 0.13*** 0.26 −0.18 −0.06 −0.19 0.02 −0.02
NURS2 −0.09 −0.05 0.45 −0.48 −0.07 −0.61 −0.12 0.18
NURS × OTHER 0.07 −0.04 0.17 0.31** −0.01 −0.11 −0.16** −0.08
OTHER2 −0.04 0.01 −0.42** −0.14** −0.04 0.35** 0.19*** 0.05
TECH 0.84*** 0.04 −0.01 0.94 −0.40*** 0.38* 0.16* −0.11*
γ 0.98*** 0.95*** 0.98*** 0.96*** 0.94*** 0.96*** 0.97*** 0.96***

Output: Revenues
Intercept 8.24 5.39*** 2.92*** 26.82*** −4.22 13.49* 2.92* 11.56***
BEDS 2.00*** −0.52 −0.50 −0.49 −1.48 1.11 1.55*** 0.46
PHYS 0.10 −0.87** −0.91 −1.02 3.71** −2.38* −0.30 −0.17
NURS 0.97 2.95*** −1.21 −0.72 −1.55 1.02 1.74*** 0.15
OTHER −0.58 −0.71*** 0.23 −0.28 1.14* 0.80 −0.05 0.23
BEDS2 −0.42*** −0.06 0.13 0.34*** −0.25** 0.50** 0.22*** 0.09
BEDS × PHYS −0.29*** −0.09 −0.09 0.08 0.48** 0.15 −0.09 0.18**
BEDS × NURS 0.30** 0.38*** −0.03 −0.09 −0.23 −0.26 0.02 −0.29***
BEDS × OTHER −0.02 −0.19*** 0.15*** 0.03 −0.01 −0.01 −0.07* 0.12**
PHYS2 0.00 0.20*** 0.60 0.29 −0.55 0.03 −0.01 0.27***
PHYS × NURS 0.00 −0.26*** −0.80** −0.26 0.34 0.00 −0.02 −0.32***
PHYS × OTHER 0.07 0.17*** 0.32** 0.04 −0.20 0.12 0.09 0.03
NURS2 −0.17 −0.01 1.04*** 0.18 −0.39 0.21 0.03 0.45***
NURS × OTHER 0.02 −0.08 −0.19 0.15 0.26 −0.23 −0.17** −0.08
OTHER2 −0.05 0.03 −0.17 −0.19** −0.16 0.06 0.12** −0.01
TECH 1.12*** 0.28*** 0.01 1.02*** −0.17 0.37* 0.43*** 0.17**
γ 0.97*** 0.96*** 0.99*** 0.96*** 0.94*** 0.95*** 0.97*** 0.97***
Observations 296 497 78 187 91 145 437 476
***

1% significance.

**

5% significance.

*

10% significance.