The Impact of Floods on House Prices: An Imperfect Information Approach with Myopia and Amnesia

Abstract

How will housing markets respond to increased frequency and severity of flooding expected with global climate change? Existing models yield poor predictions because they assume perfect information and rational decision-making processes in the housing market. This paper sets out a plausible alternative framework for analysing housing price responses to flood frequency and severity based on findings of behavioural economics and the sociology of risk, which emphasise myopic and amnesiac perceptions of risk. It utilises this framework to analyse graphically a variety of flood scenarios and their implications for housing prices and government intervention.