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Table 2 Estimated Stochastic frontier function model a used to derive cost efficiency

From: Cost-efficiency in Medicaid long-term support services: the role of home and community based services

Variablesb

Coefficient estimate

Standard error

log hcbs

0.22***

0.03

Log institutional

0.17*

0.04

Yr. 1999

−0.31***

0.09

Yr. 2000

−0.25***

0.08

Yr. 2001

−0.19***

0.06

Yr. 2002

−0.10**

0.06

Yr. 2003

−0.10**

0.04

Yr. 2004

−0.05

0.04

Yr. 2005

−0.03

0.03

Yr. 2006

−0.02

0.02

constant

13.68**

1.50

  1. Note: a Frontier estimation model is truncated normal efficiency & time varying decay.
  2. b Dependent variable is the logarithm of total cost (log cost).
  3. *** Significant at 1% level; ** Significant at 5% level; * Significant at 10% level.