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The Size and Life-Cycle Growth of Plants: The Role of Productivity, Demand, and Wedges

Review of Economic Studies 2024 91(1), 259-300
What determines the distribution of establishments in terms of size and life-cycle growth? How are those determinants related to aggregate productivity? We provide novel answers by developing a framework that uses price and quantity information on establishments’ outputs and inputs to jointly estimate the demand and production parameters, and subsequently, establishments’ quality-adjusted productivity, deriving both micro-level and aggregate implications. We find that the dominant source of variation in establishment size is variation in quality/product appeal but that variation in technical efficiency plays an important supporting role. Multiple factors dampen dispersion in establishment size including dispersion in input (quality-adjusted) prices, markups, and residual wedges. Relatively moderate dampening factors induce large aggregate allocative efficiency losses relative to their absence. We show that joint estimation of the parameters of the demand and production function crucially affects inferences on the determinants of the size distribution of firms and their implications for aggregate productivity.

(Indirect) Input Linkages

American Economic Review 2015 105(5), 662-666
Relative to backward firms, technologically-advanced firms source inputs from other advanced firms. These sourcing patterns lead to a magnification effect of technology adoption. A firm that adopts higher-technology increases the relative supply and demand for higher-technology inputs. As a result, it positively influences the technology of other firms in its production chain. Using data from a Colombian manufacturing survey, we provide evidence that advanced firms disproportionately value advanced inputs. More novel, we provide suggestive evidence that technological advancements in some firms increase the technology of other firms indirectly linked to them through a common input market.

Factor Adjustments after Deregulation: Panel Evidence from Colombian Plants

The Review of Economics and Statistics 2010 92(2), 378-391
We analyze nonlinear adjustments of capital and labor using plant data from the Colombian Annual Manufacturing Survey, allowing for interdependence in adjustments of the two factors. We find nonlinear employment and capital adjustments. We also find that capital shortages reduce hiring, and labor surpluses reduce capital shedding. Moreover, we find that job destruction and capital formation increased after factor market deregulation in Colombia. Finally, we find that completely eliminating frictions in factor adjustment would yield a substantial increase in aggregate productivity through improved allocative efficiency, but that the actual impact of the Colombian deregulation on productivity was modest.