There are two possible reasons for stopping by this post; you happened to be among those hard-working study-serious college-goer who lament not being perceived as fun by his/her peers. Or you have a soft spot for these people, striving to pay off the debt from when he single-handedly completed your group project. There could be a hundred other reasons, so let's jump into the matter. Let's construct a scenario with simplified assumptions. Suppose there are 5 students in your project team. Each of you has decided whether you want to work or not. If you decide to work, you must put in an effort of value "e". The project will be possible if at least 3 of the students participate. A successful project rewards everyone in the team "r", which is greater in value than "e". So what do you think will happen. Let's assume that each of you is rational (which secretly implies you will maximise your personal gain whenever possible). Will all five contribute ...