This unique book consists of twelve articles that show how economic scientists, influencing government decisions, were able to improve economic and social life in the United States. They set the stage for the transition to a contract army in 1973, the introduction of the "earned income tax credit" in 1975, the deregulation of airlines in 1978, Reforms "from the work benefit" under President Clinton and the adoption of the 2006 pension reform law. Important changes in economic policy include a new approach to monetary policy, weakened economic fluctuations, reduced trade barriers, allowed countries to use their comparative advantages, reviewing antitrust policies and expanding harmful emissions trading that improved the environment at minimal cost.