In this paper, we present an agent-based, evolutionary, model of output- and labor- market dynamics. Firms produce a homogeneous, perishable, good under constant re- turns to scale using labor only. Labor productivities are firm-specific and change stochas- tically due to technical progress. The key feature of the model resides in an explicit mi- crofoundation of the processes of: (i) matching between firms and workers; (ii) job search; (iii) wage setting; (iv) endogenous formation of aggregate demand; (v) endogenous price formation. Moreover, we allow for a competitive process entailing selection of firms on the basis of their revealed competitiveness. Simulations show that the model is able to robustly reproduce Beveridge, Wage and Okun curves under quite broad behavioral and institutional settings. The system generates endogenously an Okun coefficient greater than one even if individual firms employ production functions exhibiting constant re- turns to labor. Monte Carlo simulations also indicate that statistically detectable shifts in Okun and Beveridge curves emerge as the result of changes in institutional, behav- ioral, and technological parameters. Finally, the model generates sharp predictions about how system parameters affect aggregate performance (i.e. average GDP growth) and its volatility.
Matching, bargaining and wage setting in an evolutionary model of labor market and output dynamics / Gabriele, Roberto; G., Dosi; G., Fagiolo. - In: ADVANCES IN COMPLEX SYSTEM. - ISSN 0219-5259. - STAMPA. - 7:2(2004), pp. 157-186. [10.1142/S0219525904000135]
Matching, bargaining and wage setting in an evolutionary model of labor market and output dynamics
Gabriele, Roberto;
2004-01-01
Abstract
In this paper, we present an agent-based, evolutionary, model of output- and labor- market dynamics. Firms produce a homogeneous, perishable, good under constant re- turns to scale using labor only. Labor productivities are firm-specific and change stochas- tically due to technical progress. The key feature of the model resides in an explicit mi- crofoundation of the processes of: (i) matching between firms and workers; (ii) job search; (iii) wage setting; (iv) endogenous formation of aggregate demand; (v) endogenous price formation. Moreover, we allow for a competitive process entailing selection of firms on the basis of their revealed competitiveness. Simulations show that the model is able to robustly reproduce Beveridge, Wage and Okun curves under quite broad behavioral and institutional settings. The system generates endogenously an Okun coefficient greater than one even if individual firms employ production functions exhibiting constant re- turns to labor. Monte Carlo simulations also indicate that statistically detectable shifts in Okun and Beveridge curves emerge as the result of changes in institutional, behav- ioral, and technological parameters. Finally, the model generates sharp predictions about how system parameters affect aggregate performance (i.e. average GDP growth) and its volatility.File | Dimensione | Formato | |
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