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全球铝冶炼厂的成本与技术结构AI 解读

A cost model is developed for the estimation of several technological parameters describing the production process of aluminium smelters worldwide. The model is similar to Baltagi and Griffin's (1988), but, instead of estimating technological change using a panel data set of firms, we estimate, among other things, the vintage effect, using a cross-section of aluminium smelters in operation throughout 1994. The vintage effect is defined as the variable cost differential that…

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函数形式的选择：一项蒙特卡洛实验的总结AI 解读

The use of flexible functional forms is a standard practice in applied econometrics. Many flexible forms have been proposed. In this study, the authors investigate the behavior of three of them--the translog, the symmetric McFadden, and the symmetric generalized Barnett. Based on Monte Carlo experiments, they assess the ability of these forms to test theoretical properties and to measure technological characteristics.