In this work we study the granular origins of business cycles and their possible underlying drivers. As shown by Gabaix (2011), the skewed nature of firm size distributions implies that idiosyncratic (and independent) firm-level shocks may account for a significant portion of aggregate volatility. Yet, we question the original view grounded on “supply granularity”, as […]
The objective of this paper is to show that part of the fixed cost of firms’ trade expansion is due to the acquisition of new internal capabilities (e.g. technology, production processes or skills), which imply a costly change in the firm’s internal labor organisation. We investigate the relationship between a firm’s structure of labor, in […]
We analyze the individual and macroeconomic impacts of heterogeneous expectations and action rules within an agent-based model populated by heterogeneous, interacting firms. Agents have to cope with a complex evolving economy characterized by deep uncertainty resulting from technical change, imperfect information coordination hurdles and structural breaks. In these circumstances, we find that neither individual nor […]
