Barnum D, DT Barnum and JM Gleason (2006). “Biases in Technical Efficiency Scores Caused by Intra-Input Aggregation.” Appl Econ 38 1593-1603.

Barnum D, DT Barnum and JM Gleason (2006). “Biases in Technical Efficiency Scores Caused by Intra-Input Aggregation.” Appl Econ 38 1593-1603.

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