Program > Papers by author > Privileggi Fabio

A Competitive Idea-Based Growth Model with Shrinking Workers' Income Share
Carla Marchese  1, *@  , Fabio Privileggi  2, *@  
1 : DiGSPES Università del Piemonte Orientale  (DiGSPES UNIUPO)  -  Website
Via Cavour 84, 15121 Alessandria -  Italy
2 : Department of Economics and Statistics, Univerità di Torino  (EST UNITO)  -  Website
Via Verdi, 8 - 10124 Torino -  Italy
* : Corresponding author

In this paper we present a model in which endogenous growth arises in competitive
markets. Knowledge is described as a labor-augmenting factor used directly in the final
goods' production. Firms demand both basic nonrival knowledge contents, which are
supplied jointly and inelastically with raw labor, and further contents supplied by patent
holders. This fact, together with Lindahl prices for knowledge, allows competition to work,
while it also implies that workers' income share declines overtime. In a first version of the
model with constant cost of knowledge production the first best is attained. In further
versions of the model, in which the cost of knowledge production is allowed to change
over time and externalities arise, in a decentralized economy a second best equilibrium
occurs in the transitional period, while in the long run there is convergence to efficiency.
As the asymptotic equilibrium exhibits strong scale effects, we propose a final version of
the model with only weak scale effects under the assumption that combining labor and
knowledge becomes increasingly difficult.



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