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A Renewable Resource-based Ramsey Model with Costly Resource Extraction

机译:具有昂贵资源提取的基于资源的可再生Ramsey模型

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This paper derives the analytical solution of a renewable resource-based Ramsey economy with costly resource extraction. The goal is to ascertain whether costly resource extraction can induce nonlinear dynamical properties in the system. We find that the solution for a model with constant technology can exhibit multiple steady states, and the comparative statics effects for consumption, utility, and the stock of nature capital are ambiguous in a number of different cases. Moreover, the solution for a model with exogenous technological progress exhibits unusual comparative dynamics and the possibility of multiple balanced growth paths. An increase in the rate of technological progress induces a long-run growth rate in per capita consumption that depends on parameters of the production function. Overall, technological progress in the model can be less beneficial than in the standard economic growth model in which resource extraction is costless.
机译:本文推导了基于可再生资源的Ramsey经济且资源提取成本高昂的解析解决方案。目的是确定昂贵的资源提取是否可以在系统中引起非线性动力学特性。我们发现,具有恒定技术的模型的解可以表现出多个稳态,并且在许多不同情况下,对于消耗,效用和自然资本存量的比较静态效应是模棱两可的。此外,具有外在技术进步的模型的解决方案具有非同寻常的比较动力和多种均衡增长路径的可能性。技术进步速度的提高导致人均消费的长期增长,这取决于生产函数的参数。总体而言,该模型中的技术进步可能不如标准的经济增长模型中的无益开发,在标准的经济增长模型中资源提取是无成本的。

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