Robert Cage, John Greenlees, and Patrick Jackman. "Introducing the Chained Consumer Price Index". For presentation at the 7th Meeting of the International Working Group on Price Indices Paris, France, May 2003
Allen, Robert C.; W. Erwin Diewert. 1981. Direct versus Implicit Superlative Index Number Formulae. The Review of Economics and Statistics, 63:3 (Aug., 1981), 430-435. (on jstor)
"The Törnqvist index is used in the calculation of multifactor productivity." MethodologyArchived 2011-09-28 at the Wayback Machine Australian Government Productivity Commission, 2009. Viewed 11 Aug 2011.
"The Törnqvist index is used in the calculation of multifactor productivity." MethodologyArchived 2011-09-28 at the Wayback Machine Australian Government Productivity Commission, 2009. Viewed 11 Aug 2011.