Jan Tinbergen

Jan Tinbergen (April 12, 1903 – June 9, 1994) was a Dutch economist. He was awarded the firstBank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel in 1969, which he shared with Ragnar Frisch for having developed and applied dynamic models for the analysis of economic processes. Tinbergen was a founding trustee of Economists for Peace and Security.
== Tossup Questions ==
# This economist's gravitation model attempts to explain bilateral trade flows in terms of GNP and shipping distance between nations In one paper, he asked "Do Communist and Free Economies Show a Converging Pattern?," putting forth his theorem of convergence toward a mixed state.. He argued that, where social units have identical welfare values, market planning is preferred, in his monograph Centralization and Decentralization in Economic Policy. In a famous debate with Keynes, he argued over the method to determine price elasticity of demand for exports. His dissertation on minimization problems was published under his professor Paul Ehrenfest. He served as the first director of the Central Planning Bureau in the Hague, leading to his study on the "Dynamics of Business Cycles." His brother demonstrated the Hawk/Goose Effect and went by the nickname Nico. FTP, name this economist who worked with Ragnar Frisch to develop the study of econometrics.