“…Our main theoretical finding suggests that increasing longevity positively affects technological progress and therefore productivity growth. Intuitively, a decrease in the rate of mortality implies that households expect to live longer and therefore they discount the 1 See, for example, Romer (1990), Grossman and Helpman (1991), Aghion and Howitt (1992), Jones (1995), Kortum (1997), Peretto (1998), Segerström (1998), Young (1998), Howitt (1999), Funke and Strulik (2000), Strulik (2005), Bucci (2008), Strulik et al (2013), and many others. Note that in frameworks with diminishing returns to capital, the effects of population aging on per capita output growth can only be transient (see Solow, 1956;Cass, 1965;Diamond, 1965;Koopmans, 1965;Gruescu, 2007).…”