Takeoff vs. stagnation in endogenous recombinant growth models

Fabio Privileggi

Mathematics and Computers in Simulation (MATCOM), 2015, vol. 108, issue C, 184-214

Abstract: This paper concludes the study of transition paths in the continuous-time recombinant endogenous growth model by providing numerical methods to estimate the threshold initial value of capital (a Skiba-type point) above which the economy takes off toward sustained growth in the long run, while it is doomed to stagnation otherwise. The model is based on the setting first introduced by Tsur and Zemel and then further specified by Privileggi, in which knowledge evolves according to the Weitzman recombinant process. We pursue a direct approach based on the comparison of welfare estimations along optimal consumption trajectories either diverging to sustained growth or converging to a steady state. To this purpose, we develop and test three algorithms capable of numerically simulating the initial Skiba-value of capital, each corresponding to initial stock of knowledge values belonging to three different ranges, thus covering all possible scenarios.

Keywords: Knowledge production; Endogenous recombinant growth; Transition dynamics; Skiba point; Hamilton–Jacobi–Bellman equation (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:108:y:2015:i:c:p:184-214

DOI: 10.1016/j.matcom.2014.05.012

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