Description: The articles have an overarching message that human beings have very similar tendencies. They are caring towards each other and naturally want to share except when there is an increase in competition and a decrease in supply. This is when a more self centered mindset comes into play and people's actions reflect that. The innate reaction people have in a competitive environment is to protect themselves and make sure that they can benefit in some way or another. The articles were very enjoyable and they had such interesting examples of situations that display this mentality of sharing and altruism. Children are innocent and a good way of observing what natural reactions of humans can potentially be and seeing the different instances of whether the children split the marbles or take what they see, is a very tangible example of a larger perspective on behaviors. The transfer of goods or gift exchange is technically considered a voluntary act but is natural in some situ...