Who developed the revealed preference theory?
In economics

Suppose you want to know if more technical service calls are made to homes with cable television or with satellite dish television. should you use frequencies or relative frequencies to make the comparison? why?

The u.s. stock market has returned an average of about 9% per year since 1900. this return works out to a real return (i.e., adjusted for inflation) of approximately 6% per year. if you invest $100,000 and you earn 6% a year on it, how much real purchasing power will you have in 30 years?

En major recording acts are able to play at the stadium. if the average profit margin for a concert is $175,000, how much would the stadium clear for all of these events combined?