Born: 3 March 1895, Oslo, Norway
Died: 31 January 1973, Oslo, Norway
Affiliation at the time of the award: University of Oslo, Oslo, Norway
Prize motivation: "for having developed and applied dynamic models for the analysis of economic processes"
Contribution: Pioneering work on econometric model building. Constructed theories for stabilization policy and long-term economic planning.
Prize share: 1/2