Trueblood MA and VW Ruttan (1995). “A Comparison of Multifactor Productivity Calculations of the U.S. Agricultural Sector.” JPA 6(4): 321-331.
Trueblood MA and VW Ruttan (1995). “A Comparison of Multifactor Productivity Calculations of the U.S. Agricultural Sector.” JPA 6(4): 321-331.