We use a Dixit-Stiglitz setting to show that aggregate productivity fluctuations can be generated through changes in the dispersion of firms’ productivity. When the elasticity of substitution among goods is larger than one, an increase in the dispersion raises aggregate productivity because...

Does GDP composition affect GDP growth and volatility? Typically, economies at advanced stages of development grow slower, are less volatile and have a larger share of services in GDP with respect to economies at middle stages. I propose a theory of development consistent with these three facts....

We investigate the ability of workhorse structural change models in accounting for the business cycle properties of an economy. We consider three different preferences specifications: Herrendorf, Rogerson and Valentinyi (2014, HRV), Boppart (2014), and Comin, Lashkari and Mestieri (2021, CLM),...