标题： 关于空间AK增长模型中的收敛性 显示英文标题

标题： On Convergence in the Spatial AK Growth Models

摘要： 最近的经济理论研究试图在统一框架下研究最优经济增长和经济活动的空间位置。 到目前为止，这一文献的关键结果——即使在没有资本递减收益的情况下也存在渐近收敛——依赖于对社会规划者目标的具体假设。 我们证明，这个结果并不依赖于这些限制性假设，并且适用于更广泛的目标函数类别。 我们还推广了这一发现，允许技术参数随时间变化，并提供了资本存量空间分布动态的显式解。 显示英文摘要

摘要： Recent research in economic theory attempts to study optimal economic growth and spatial location of economic activity in a unified framework. So far, the key result of this literature - asymptotic convergence, even in the absence of decreasing returns to capital - relies on specific assumptions about the objective of the social planner. We show that this result does not depend on such restrictive assumptions and obtains for a broader class of objective functions. We also generalize this finding, allowing for the time-varying technology parameter, and provide an explicit solution for the dynamics of spatial distribution of the capital stock.