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Rational Bubbles in UK Housing Markets: Comment on “No‐Bubble Condition: Model‐Free Tests in Housing Markets”
Author(s) -
Domeij David,
Ellingsen Tore
Publication year - 2020
Publication title -
econometrica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 16.7
H-Index - 199
eISSN - 1468-0262
pISSN - 0012-9682
DOI - 10.3982/ecta16447
Subject(s) - freehold , presumption , economics , rational expectations , argument (complex analysis) , free market , financial economics , monetary economics , econometrics , law , political science , politics , biochemistry , chemistry
Giglio, Maggiori, and Stroebel (2016) show that there is no significant price difference between freeholds and ultra‐long leaseholds in the UK housing market. They claim that this finding precludes the presence of large rational bubbles, as these can only attach to the price of freeholds. But the conclusion presumes that leaseholders cannot acquire bubbles through enfranchisement at favorable prices. We find that the presumption is violated. Enfranchisement rights are comprehensive and cheap to exercise. We also dispute the counter‐argument that cheap enfranchisement proves that market participants, if they have rational expectations, must have explicitly concluded that freehold prices are bubbleless.