This paper, a postscript to Balk (J Product Anal 42:35–43, 2014), highlights the role of relative price change in the relation between aggregate and unit-specific labour productivity change.

Aggregation, Index number theory, Labour productivity, Output, Producer, Relative price
Index Numbers and Aggregation (jel C43), Measurement of Economic Growth; Aggregate Productivity (jel O47)
dx.doi.org/10.1007/s11123-015-0433-3, hdl.handle.net/1765/91439
ERIM Top-Core Articles
Journal of Productivity Analysis
Rotterdam School of Management (RSM), Erasmus University

Dumagan, J.C, & Balk, B.M. (2016). Dissecting aggregate output and labour productivity change: a postscript on the role of relative prices. Journal of Productivity Analysis, 45(1), 117–119. doi:10.1007/s11123-015-0433-3