This is the first of three volumes contain an account of Professor Henri Theil's distinguished career as a leader, advisor, administrator, teacher and researcher in economics and econometrics. The books also contain a selection of his contributions in many areas, such as econometrics, demand analysis, information theory, forecasting, statistics, economic policy analysis and management science. This collection provides reference material to researchers and graduate students working in a variety of disciplines, such as econometrics, economics, management science, operations research, and statistics. Moreover, Professor Theil's career is seen as a role model for younger generations of scholars, both in terms of his approach to research and his commitment to his profession.
