A Dutch economist and recipient of 1969 Nobel Memorial Prize in Economics, together with Norwegian economist Ragnar Frisch for having developed and applied dynamic models for analyzing economic processes. Tinbergen was one of the first economists who incorporated math to economics. He helped in developing econometrics and refined multi-equation models of national economies that were a prototype to today’s computer-driven economic forecasts. His research dwelt on business cycles and economic development and worked on the idea the governments should use simple policy instruments in order to achieve multiple policy targets.