[1] Michael Keen and Ben Lockwood, The value added tax: Its causes and
consequences, Journal of Development Economics 92 (2010), 138-151.
[2] President’s Advisory Panel on Federal Tax Reform, Fair and
Pro-Growth: Proposals to Fix America’s Tax System, 2006.
[3] Raymond J. Ring, The proportion of consumer’s and
producer’s goods in the general sales tax, National Tax Journal
42 (1999), 167-179.
[4] Mihir A. Desai and James R. Hines Jr., Value Added Taxes and
International Trade: The Evidence, Mimeo: University of Michigan,
2005.
[5] John Piggott and John Whalley, VAT base broadening, self supply,
and the informal sector, American Economic Review 91 (2001),
1084-1094.
[6] Shahe M. Emran and Joseph E. Stiglitz, On selective indirect tax
reform in developing countries, Journal of Public Economics 89 (2005),
599-623.
[7] Michael Keen, VAT, tariffs, and withholding: Border taxes and
informality in developing countries, Journal of Public Economics 92(2)
(2008), 1892-1906.
[8] S. C. Kumbhakar and C. A. K. Lovell, Stochastic Frontier Analysis,
Cambridge University Press, 2000.
[9] G. Battese and T. Coelli, A model for technical inefficiency
effects in a stochastic frontier production function, Empirical
Economics 20 (1995), 325-332.