By Berndt E.R.   Doane M.J.   Epstein R.J.   in The Electricity Journal

ISSN:1040-6190|8|7|69-77

Elsevier‎(1995)‎

Access to resources Favorite 10.51624

By Chwelos P. D.   Berndt E. R.   Cockburn I. M.   in Applied Economics

ISSN:1466-4283|40|22|2839-2856

Routledge Ltd‎(2008)‎

Access to resources Favorite 3.780557