business cycles and growth dynamics that is very far from the homogeneous one postulated in models based on the RAH. In this ….g. size, growth, and productivity). -- Financial Market Imperfections ; Business Fluctuations ; Economic Growth ; Firm Size … ; Firm Growth ; Productivity Growth ; Agent-Based Models …

Why is GDP so much more volatile in poor countries than in rich ones? To answer this question, we propose a theory of …. As in endogenous growth models, technological progress increases the number of varieties, raising average productivity …

is highly disaggregated at the industry level with an input-output network structure. Measured productivity in the model …-specific, uncorrelated across industries. The bulk of the aggregate fluctuations, including those in aggregate measured productivity, are … data. Our second finding is that about half of the decrease in the cyclicality of measured productivity in the U.S. after …

Business cycles are substantially correlated across countries. Yet most existing models are not able to generate …

experiments to test that hypothesis by examining its implications. If business cycles are mainly driven by news then these shocks … shocks to the real interest rate. The common theme among these identifications is a technological change in productivity that … demands time to build, economic activity and natural resources to come into effect. -- Business Cycles ; News Shocks …