What is xenia and why was it practiced by ancient greeks ?

Xenia is the Greek tradition of hospitality practices between a guest (esp. bringing a gift) and host (esp. providing the gift of shelter and/or food) with both displaying appreciation and respect for the other.

It was an important idea to the Greeks who wanted to please their gods. Just in case one was interacting with one of the gods, as either a guest or host, it was important to leave a good impression.

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.

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