Please read this newspaper article: Backlash by the Bay: Tech Riches Alter a Ci

Please read this newspaper article: Backlash by the Bay: Tech Riches Alter a City – The New York Times.pdf
Let’s confine our discussion to an exploration of the following specific question:
Why do we see this kind of “backlash by the bay” in San Francisco, but not in Des Moines, Iowa? (Take a look at this data.)
Try to be as complete as possible in your one-page summary, applying basic concepts including: marginal cost/marginal benefit; competitive equilibrium; and market failure.