The Nordic Economic Policy Review (NEPR) is an annual publication presenting some of the latest and cutting-edge research into selected topics of economic policy. This publication provides a short summary of the five NEPR 2021 articles, which seek to answer the following questions:André Anundsen: What is the prevalence of house price bubbles in the Nordics?Erlend Eide Bø: Do buy-to-let investments lead to higher housing prices?Mats Bergman and Sten Nyberg: What explains the large increase in the relative cost of construction?Niku Määttänen: How can housing taxation improve social welfare?Essi Eerola: How do Nordic housing policies affect affordability and integration?