Quote by Mancur Olson
"The tragedy of the commons occurs when property rights are not clearly defined or enforceable."
More from Mancur Olson
"The rational individual is not the one who has final answers; he is the one who is always searching for better answers."
"Any cartel or coalition is only as strong as the incentives that hold it together."
"In any group, the most active members tend to receive the most benefits."
"The larger the number of individuals in a group, the less likely the group will act in its common interest."