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Comment on E. Mellander, "An indirect approach to measuring productivity in private services"
Schiantarelli, Fabio, (1992)
What's spurious, what's real? : Measuring the productivity impacts of ICT at the firm-level
Hempell, Thomas, (2002)
What's Spurious, What's Real? Measuring the Productivity Impacts of ICT at the Firm-Level
Hempell, Thomas, (2015)
The multi-dimensional nature of labor demand and skill-biased technological change
Mellander, Erik, (1999)
Measuring productivity and inefficiency without quantitative output data
Mellander, Erik, (1993)
A general FIML estimator for a certain class of models that are nonlinear in the variables : paper pres. at the European Meeting of the Econometric Society in Pisa, Fall 1983
Mellander, Erik, (1984)