larger share of their expenditures to services, so the relative size of the service sector grows as the population ages. In a … devoted to services increases with household age. We use a shift-share decomposition and a quantitative model to show that … changes in the U.S. population age distribution accounted for about a fifth of the observed increase in the share of services …

.S. show that the fraction of expenditures devoted to services increases with household age. We use a shift-share decomposition …

level. Services play a core role in advanced economies, both from a quantitative and a strategic point of view … been simultaneously assessed that services display lower productivity levels and growth rates than other economic … period between 1980 and 2007. The results partially refute traditional knowledge on the productivity of services. Contrary to …