Ball VE, CAK Lovell, H Luu and R Nehring (2004). “Incorporating Environmental Impacts in the Measurement of Agricultural Productivity Growth.” J Agricultural Economics 29(3): 436-460.
Ball VE, CAK Lovell, H Luu and R Nehring (2004). “Incorporating Environmental Impacts in the Measurement of Agricultural Productivity Growth.” J Agricultural Economics 29(3): 436-460.