Innovaciones en Productividad y Dinámica de Plantas

Raphael Bergoeing, Facundo Piguillem


The recent empirical evidence shows that plant level dynamics are relevant to explain economic growth. The reallocation of resources across incumbent plants, and the process of entry and exit of plants account for a quantitatively relevant fraction of changes in total factor pro-ductivity; aggregate efficiency in turns is the main source of the observed changes in aggregate growth. In this paper we build a stochastic gene-ral equilibrium model with heterogeneous plants to study the effect on plant decisions of idiosyncratic and aggregate productivity shocks. Para-meterizing the model to represent a developing economy, we analyze the effect of productivity changes on several key macroeconomic varia-bles. Our numerical simulations show that the model accounts for the observed regularities. The model can also be used to study several additional issues related to both, business cycle and long run income levels.

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