>> we are privileged to be joined by dr. alan krueger, he is the professor of economics and public affairs. he is published widely on the economics of education, unemployment labor demand, econ distribution, social insurance, labor market regulation, even terrorism and environmental economics. that he holds joint appointments in the economics department and the woodrow wilson school at princeton university. ofis the founding director the present university survey research center. he previously served as chairman of president barack obama's council of economic advisers. assistant secretary of economic policy and chief economist at the u.s. department of labor. president of the american economic association just last year.