Economic policy of the George W. Bush administration finance Social Security and Medicare benefits as well as investments in schools, health, infrastructure, and basic research... [and] generate further inequalities in after-tax income." The Bush administration had claimed, based on the concept of the Laffer Curve, that the tax cuts actually paid for the themselves by generating enough extra revenue from additional economic growth to offset the lower taxation rates. However, income tax revenues in dollar terms did not regain their FY 2000 peak until 2006. Through the end of 2008, total federal tax revenues relative to GDP had yet to regain their 2000 peak. When asked whether the
Yerkes–Dodson law Yerkes–Dodson law The Yerkes–Dodson law is an empirical relationship between arousal and performance, originally developed by psychologists Robert M. Yerkes and John Dillingham Dodson in 1908. The law dictates that performance increases with physiological or mental arousal, but only up to a point. When levels of arousal become too high, performance decreases. The process is often illustrated graphically as a bell-shaped curve which increases and then decreases with higher levels of arousal. Research has found that different tasks require different levels of arousal for optimal performance. For example, difficult or intellectually demanding tasks may require a lower level of arousal