Please add references

. How much community benefit do not- for-profit hospitals provide? . How much community benefit do for- profit hospitals provide? What evidence is there about the level of community benefit provided by nonprofit and for- profit hospitals? . Why does using list prices tend to inflate estimates of community benefit? . Are there other important differences between nonprofit and for-profit hospitals? . Would the city be better off if it taxed the hospital and paid for charity care? . More broadly, is tax exemption a good way to encourage private organizations to serve the public interest? Properties of various discussions controversies about hospitals' tax- exempt status? . Can you find examples of payments in lieu of taxes? . Does tax exemption for not-for-profit hospitals still make sense? . Can you propose an alternative to tax exemption