John Brätland, senior economist with the U.S. Department of the Interior, offers his observations on how economists have let the myth of resource exhaustion persist from the nineteenth century to the present, and why it is misguided.
"Claims that oil deposits and other extractive resources are "exhaustible" often conflate physical exhaustion (total depletion of the physical stock of a resource) with economic exhaustion (loss of the expected profitability required to induce resource owners to continue extracting and marketing the resource). Yet that distinction is crucial, because when private-property rights are unencumbered, entrepreneurs usually have several strategies available for maintaining the economic value of their firms while they continue to operate them."
Thanks to Peter Gordon
FULL STORY: Resource Exhaustibility: A Myth Refuted by Entrepreneurial Capital Maintenance (PDF, 25pp, 280KB)

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Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
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Learn the tools for implementing Universal Design in planning regulations.
New York City School Construction Authority
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