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ABSTRACT
Overoptimism and house price bubblesThis paper explores the significance of overoptimism on house price developments in Denmark.The results indicate that house price developments historically have been partly driven by sentiments decoupled from underlying economic fundamentals, especially during strong house price booms. This underlines the need for a prudent macroeconomic stabilisation policy in periods with tight labour markets and a high degree of capacity utilisation. The paper is based on both aggregated data from the Danish Consumer Expectations Survey as well as the underlying household-level microdata behind the survey matched with administrative register data at a household level. This is the first paper that combines the use of all these three types of data. The macroeconometric part of the paper uses a stand...