If hikers were required to pay a fee to use the Overlander Trail in Jasper National Park,

a. Would the use of this common resource be more efficient?

b. Would it be even more efficient if the most pop- ular spots along the trail had the highest prices?

e. Why do you think we don't see more market solutions to the tragedy of the commons? Use the following information to work Problems 21 to 23. A spring runs under a village. Everyone can sink a well on her or his land and take water from the spring. The following figure shows the marginal social benefit of water and the marginal cost of taking it. Price and cost cens per 2 10 MSC 200 400 MS 000 600 Quanty Fires per day)