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Really depends on local markets. NYC by comparison has a lot of new condos that go up with zero street level retail space.

It all gets filled up with an expansive lobby and amenities.

Makes the surrounding street life dead.

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Could we fix that with a vacancy tax for retail?
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There are too many factors that intersect to lead to these outcomes that make it easy to detect any one silver bullet. Valuing a property based on rents seems to be another big issue since it sets up incentives to increase rent and valuations even when the real estate market doesn't support that rent increase.
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