According to george herbert mead, during the stage of self-development (early school years), children understand not only their own social position but also the positions of others around them.

answer; cognitive dissonance;

answer; latency;

in order to keep competitors from increasing or decreasing the prices they may establish, usa in the period of 70s set very democratic price - abut 1 dollar per gasoline so that their offer will be more affordable and attractive.