@techreport{NBERw11130, title = "Trends in Hours, Balanced Growth, and the Role of Technology in the Business Cycle", author = "Jordi Gali", institution = "National Bureau of Economic Research", type = "Working Paper", series = "Working Paper Series", number = "11130", year = "2005", month = "February", URL = "http://www.nber.org/papers/w11130", abstract = {The present paper revisits a property embedded in most dynamic macroeconomic models: the stationarity of hours worked. First, I argue that, contrary to what is often believed, there are many reasons why hours could be nonstationary in those models, while preserving the property of balanced growth. Second, I show that the postwar evidence for most industrialized economies is clearly at odds with the assumption of stationary hours per capita. Third, I examine the implications of that evidence for the role of technology as a source of economic fluctuations in the G7 countries.}, }