My investigation on changes in the price of going to the prom in the Wall Street Jorurnal (see here) got a number of comments and emails.  The most interesting email came from Marie Concannon.  She is one of the head librarians at the University of Missouri.  Ms. Concannon created a web site called “Prices and Wages by Decade” (click here).  It contains links to the retail prices for all sorts of things that people buy like food, clothing, transportation, housing and education. Continue reading Wow, high end restaurants have changed what they serve over time! →