Americans have a high demand for coffee. Every morning I can see a lot of people buying coffee at DID or Starbucks, and most of them will say that coffee wakes them up and help them to concentrate. I am not a coffee person and coffee doesn’t work for me in the majority of the times. Thus, I claim that a lot of people drink coffee is more because of the flavor and their habits, not the actual function behind it. In the paper include: Why Americans like coffee in economics. Coffee’s function on different types of people Why do college students drink coffee? (interview or survey would be the best.)(Gary E. Mcllvain , Melody P. Noland & Robert Bickel (2011) Caffeine Consumption Patterns and Beliefs of College Freshmen, American Journal of Health Education. peer-viewed articles, primary and secondary sources.