题名：Input aggregation and computed technical efficiency
作者：Loren W. Tauer
期刊全称或缩写：Applied Economics Letters,
年份，卷（期），起止页码： Volume 8, Issue 5May 2001 , pages 295 - 297
电子链接：http://www.informaworld.com/smpp/content~db=all~content=a713760794

题名：Technical efficiency bias caused by intra-input aggregation in data envelopment analysis
作者：Darold Barnum; John Gleason
期刊全称或缩写：Applied Economics Letters,
年份，卷（期），起止页码： Volume 12, Issue 13October 2005 , pages 785 - 788
电子链接：http://www.informaworld.com/smpp/content~db=all~content=a727403652


题名：Aggregation bias and its bounds in measuring technical efficiency
作者： Rolf Fre; Shawna Grosskopf; Valentin Zelenyuk
期刊全称或缩写：Applied Economics Letters,
年份，卷（期），起止页码： Volume 11, Issue 10August 2004 , pages 657 - 660
电子链接：http://www.informaworld.com/smpp/content~db=all~content=a713691952

题名：Technical efficiency bias in data envelopment analysis caused by intra-output aggregation
作者：Darold Barnum; John Gleason
期刊全称或缩写：Applied Economics Letters,
年份，卷（期），起止页码： Volume 14, Issue 9July 2007 , pages 623 - 626
电子链接：http://www.informaworld.com/smpp/content~db=all~content=a780553646

题名：Biases in technical efficiency scores caused by intra-input aggregation: mathematical analysis and a DEA application using simulated data
作者：Darold Barnum; John Gleason
期刊全称或缩写：Applied Economics Letters,
年份，卷（期），起止页码： Volume 38, Issue 14August 2006 , pages 1593 - 1603
电子链接：http://www.informaworld.com/smpp/content~db=all~content=a755286912