This paper examines how the level and dispersion of self-reported happiness has evolved over the period 1972 …-2006. While there has been no increase in aggregate happiness, inequality in happiness has fallen substantially since the 1970s …. There have been large changes in the level of happiness across groups: Two-thirds of the black-white happiness gap has been …

that measures of subjective well-being indicate that women’s happiness has declined both absolutely and relative to men …-being, and is pervasive across demographic groups and industrialized countries. Relative declines in female happiness have eroded … a gender gap in happiness in which women in the 1970s typically reported higher subjective well-being than did men …

of happiness. We re-assess this paradox analyzing multiple rich datasets spanning many decades. Using recent data on a … happiness. Together these findings indicate a clear role for absolute income and a more limited role for relative income … comparisons in determining happiness. …

, incumbents' valuations of innovations are less negatively affected by increased competition than entrants' profits. This, in turn …, but not too strict, merger policy tends to increase the incentive for innovations for sale by ensuring the bidding … competition for the innovation, without reducing the total rents for innovations too much. …

an increase in either the size or the frequency of innovations, from human capital accumulation through learning … of innovations or through introducing learning by doing with positive external effects across sectors) introduces new …

This paper considers a dynamic North South model of international trade and innovations in which firms can endogenously …

This Paper presents a model of innovations and economic growth, in which patent rates emerge endogenously, as a result …-inefficient, as too many researchers look for the easy innovations, while too few search for the difficult ones. The third result is …