Highlights
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The size of very large houses dramatically increased since 1980, leading to a “McMansion effect.”
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Homeowners’ satisfaction drops with nearby McMansions, but not neighborhood satisfaction.
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In response to the “McMansion effect”, homeowners enlarge homes and incur more debt.
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Isolated McMansions or those built before move-in don’t affect satisfaction or behavior.
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Zoning laws limiting maximum house sizes could enhance welfare by reducing pressure to upscale homes.
C’est sur que c’est con les trains qui circulent en mode diesel sur les portions de lignes électrifiées, mais j’imagine que c’est toujours moins polluant que la petite centaine de voitures individuelles que chaque rame remplace.