The normalized CES production function: theory and empirics, by Rainer Klump, Peter McAdam and Alpo Willman, February 2011, 1320 kb, en.
Factor substitution and factor augmenting technical progress in the US: a normalized supply-side system approach, by Rainer Klump, Peter McAdam and Alpo Willman, June 2004, 801 kb, en.
Published in: Review of Economics and Statistics, 89, 1, 183-192.
Inflation, factor substitution and growth, by Rainer Klump, October 2003, 376 kb, en.
Published in: Kredit und Kapital. 2005; 38(3): 325-49