Business networks, production chains and productivity: A theory of input-output architecture
This paper studies an analytically tractable model of the formation and evolution of chains of production. Over time, entrepreneurs accumulate techniques to produce their good using goods produced by other entrepreneurs and labor as inputs. The value of a technique depends on both the productivity embodied in the technique and the cost of the particular input; when producing, each entrepreneur selects the technique that delivers the best combination. The collection of known production techniques form a dynamic network of potential chains of production: the input-output architecture of the economy. Aggregate productivity depends on whether the lower cost firms are the important suppliers of inputs. When the share of intermediate goods in production is high, the lower cost firms are selected as suppliers more frequently. This raises aggregate productivity and also increases the concentration of sales of intermediate goods.
|Date of creation:||2011|
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- Vasco Carvalho, 2007.
"Aggregate fluctuations and the network structure of intersectoral trade,"
Economics Working Papers
1206, Department of Economics and Business, Universitat Pompeu Fabra, revised Oct 2010.
- Vasco M Carvalho, 2008. "Aggregate Fluctuations and the Network Structure of Intersectoral Trade," 2008 Meeting Papers 1062, Society for Economic Dynamics.
- Thomas Chaney, 2011.
"The Network Structure of International Trade,"
NBER Working Papers
16753, National Bureau of Economic Research, Inc.
- Daron Acemoglu & Asuman Ozdaglar & Alireza Tahbaz-Salehi, 2010. "Cascades in Networks and Aggregate Volatility," NBER Working Papers 16516, National Bureau of Economic Research, Inc.
- repec:ucn:oapubs:10197/521 is not listed on IDEAS
- Andrew T. Foerster & Pierre-Daniel G. Sarte & Mark W. Watson, 2011. "Sectoral versus Aggregate Shocks: A Structural Factor Analysis of Industrial Production," Journal of Political Economy, University of Chicago Press, vol. 119(1), pages 1 - 38.
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