Which statement best describes lifetime income?
the total salary for all the years worked
the total salary and retirement benefits for all the years worked
the total salary and value of insurance benefits for all the years worked
the total cost of college classes and vocational training divided by the total years worked

Dr. dow jones wants to know whether a problem-based approach to teaching economics will result in higher academic performance than his traditional method. of the six sections of economics 101 at his university, dr. jones randomly assigns three sections to the traditional method and three sections to the problem-based method for unit 1 of the course. then all sections switch the instructional method for unit 2. he plans to compare the performance of the two groups of sections on their unit 1 and unit 2 exams. this study employs a design.

Every 10 years, the federal government sponsors a national survey of health and health practices (nhanes). one question in the survey asks participants to rate their overall health using a 5-point rating scale. what is the scale of measurement used for this question? ratio ordinal interval nominal

Acoase solution to a problem of externality ensures that a socially efficient outcome is to