One way to increase economic transactions

Five students—jalen, chris, juwan, jimmy, and ray—move into a house together and discover they share the odd habit of drinking milk with ice in it every night before bed. they own several ice trays and make a pact to always refill the trays when they are emptied so that the supply of ice will never run out. but the five often do not have the time or energy to refill the trays, and after a few weeks, it becomes quite common for them to meet in the kitchen and discover that they have no ice. this would best be characterized as what type of dilemma

What percentage of roads in germany have no speed limit?

Imagine a child who consistently gets mediocre grades and is often picked last for a team when games are played at recess. however, he likes to make silly jokes and play pranks, and he notices that people laugh when he does those things. the child starts to think that others are laughing with him, not at him. this is part of the process that charles cooley