most societies have which type of economic system? a. traditional economy b. market economy c. command economy d. mixed economy

What is the main purpose of "falling action" in a story?

Which of the following scenarios best shows the relationship between personal and civic responsibility? tara stays home on friday night to babysit her sister instead of going to a movie with her friends. theo asks neighbors to sign a petition asking the city council to lower the speed limit in their neighborhood to make it safer for children. natalie watches a presidential debate with her parents in order to complete a homework assignment for school. nick’s scout troop adopts a section of highway in their community to keep free from litter.

Why would the free rider problem prevent a private business from investing in the building of a city sidewalk?