Daniel P. Murphy

This paper documents that smaller homes and denser neighborhoods are associated with higher household saving rates. This relationship is apparent within and across U.S. households, across countries, and over time in the U.S. The micro data indicate the importance of complementarity between housing and non-housing consumption. Incorporating complementarity into a macroeconomic model implies that denser countries with smaller homes have higher household savings rates, a lower natural rate of interest, and lower sensitivity of non-housing consumption to monetary policy. Furthermore, growth in the non-housing sector alongside stable home sizes is associated with a declining natural rate of interest. High density and small homes may contribute to Japan’s lost decade and persistent stagnation.