An economist predicts an economic breakdown in a country. his message is initially discounted because people are resistant to change their thought process. however, during economic breakdown, people acknowledge the economist's message and take his advice to counter the consequences of economic breakdown. this is an example of

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.