What are tools used in economics to study culture

How does the slope of the land affects the speed of lava flow

Japan is a group of four islands off the coast of asia. what effect do you think has had on the lives of the japanese?

In a repredentive democracy: a.) people come together in large meetings to vote on public policy b.) the people govern themselves c.) political power is held by a small group of people d.) people elect officials to run the government for them