Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/109068
Authors: 
Pointon, Charlotte
Matthews, Kent
Year of Publication: 
2014
Series/Report no.: 
Cardiff Economics Working Papers E2014/2
Abstract: 
The English and Welsh water and sewerage industry is characterised by indivisible capital which has a long service life. Previous studies of efficiency for the English and Welsh water and sewerage industry take a static framework, assuming all inputs can be adjusted instantaneously. This paper measures dynamic efficiency by incorporating intertemporal links of capital within the production function for the English and Welsh water and sewerage industry for the period 1997–2011. Dynamic Data Envelopment Analysis (DEA) considers capital as a quasi-fixed input and is modelled as a contemporaneous output into current production and an input from past production. The results show that the inadequate intertemporal allocation of quasi-fixed inputs is the largest contributor of inefficiency.
Subjects: 
Dynamic efficiency
water and sewage industry
DEA
intertemporal allocation
JEL: 
D24
L23
L31
Document Type: 
Working Paper

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