John Campbell, Andreas Fuster, David O. Lucca, Stijn Van Nieuwerburgh, and James Vickery Because mortgages make up the majority of household debt in most developed countries, mortgage design has important implications for macroeconomic policy and household welfare. As one example, most U.S. mortgages have fixed interest rates—if interest rates fall, existing borrowers need to refinance … Continue reading Rethinking Mortgage Design