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Previous issue date: 2012-01-02 / In this work we analyze the e ect of technological innovations on the intertemporal capital allocation in models of economic growth. Speci cally, we use the economic growth models with heterogeneous capital due to time of usage (capital vintage), it became a decision problem of capital disposal and replacement in each cycle of production (Vintage Capital Model of Ramsey VCMR). We obtain for these models the optimal path of capital, consumption and production. In addition, we characterize the optimal initial stock of capital, wich has not been studied in the literature on this subject. Finally, when considering endogenous labor supply, we built a
dynamic programming problem with lagged state variables for that with lagged state variables and we prove the existence of a value function for it. Thus, using the Bellman equation, we nd numerical solutions to the problem and analyze its sensitivity to innovations in the production
process. / Neste trabalho obtemos alguns resultados sobre o efeito da inova????o tecnol??gica na aloca????o intertemporal de recursos em modelos de crescimento econ??mico. Especificamente, utilizamos o modelo de crescimento econ??mico de Ramsey com capital heterog??neo devido ao tempo de utiliza????o (vintage capital), tornando-se assim um problema de decis??o de descarte e reposi????o de capital a cada ciclo de produ????o (Vintage Capital Model of Ramsey VCMR). Conseguimos obter para estes modelos de crescimento a trajet??ria do capital, do consumo e da produ????o em Equil??brio. Al??m disso, caracterizamos o estoque inicial ??timo de capital, aspecto n??o estudado. Na literatura desse assunto. Por ??ltimo, ao considerarmos a oferta de m??o de obra end??gena, constru??mos um problema de programa????o din??mica com defasagem para o qual existe uma fun????o valor e politicam ??tima. Desta maneira, utilizando a equa????o de Bellman, encontramos solu????es num??ricas ao problema e analisamos a sua sensibilidade em rela????o a inova????es no processo produtivo.
| Identifer | oai:union.ndltd.org:IBICT/oai:bdtd.ucb.br:tede/2277 |
| Date | 02 January 2012 |
| Creators | Riveros, Franklin Gamboa |
| Contributors | Maldonado, Wilfredo Fernando Leiva |
| Publisher | Universidade Cat??lica de Bras??lia, Programa Strictu Sensu em Economia de Empresas, UCB, Brasil, Escola de Gest??o e Neg??cios |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/doctoralThesis |
| Format | application/pdf |
| Source | reponame:Biblioteca Digital de Teses e Dissertações da UCB, instname:Universidade Católica de Brasília, instacron:UCB |
| Rights | info:eu-repo/semantics/openAccess |
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