Many public policy problems relating to the conservation (or depletion) of natural resources derive from the fact that many natural resources are: Group of answer choices Rival and excludable Rival and non-excludable Non-rival and excludable Non-rival and non-excludable Flag question: Question 12 Question 122 pts Labeling laws that require standardized information on dosages and possible side effects on 'over-the-counter' medicines in the U.S. are mainly a response to concerns regarding which market failure? Group of answer choices Public goods Information asymmetry Positive externalities Private incentives