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2.
A problem with index number methods for computing TFP growth is that during recessions these methods show declines in TFP. This is rather implausible since it implies technological regress. We develop a new method to decompose TFP growth into technical progress and inefficiency arising from the short run fixity of capital and labour, and apply this to new data on the US corporate nonfinancial sector and the noncorporate nonfinancial sector. The analysis sheds light on sources of the productivity growth slowdowns over the period 1960–2014. 相似文献
3.
陕西农村科技推广体系与模式研究 总被引:1,自引:0,他引:1
吴燕 《西安财经学院学报》2009,22(1)
构建市场导向,社会化服务与政府的支持保护相结合,具有陕西特色的多元化、多层次、组织化、法制化的农村科技推广体系及模式是当前推进陕西省农业现代化、增加农民收入、提高农村经济实力的合理模式选择. 相似文献
4.
Conditioning manager alphas on economic information: another look at the persistence of performance 总被引:11,自引:0,他引:11
This article presents evidence on persistence in the relativeinvestment performance of large, institutional equity managers.Similar to existing evidence for mutual funds, we find persistentperformance concentrated in the managers with poor prior-periodperformance measures. A conditional approach, using time-varyingmeasures of risk and abnormal performance, is better able todetect this persistence and to predict the future performanceof the funds than are traditional methods. 相似文献
5.
A number of theoretical results on estimating returns to scale, technical progress and monopolistic markups are derived when there are multiple outputs and inputs. The choice of value added versus gross output and problems that arise in aggregation across sectors of an economy are also considered. Using US data on manufacturing, evidence is found of increasing returns to scale across all levels of aggregation. Technical progress is typically found to be insignificant implying that economic growth has been driven by increasing returns to scale rather than technical progress. Such findings have important implications for the macroeconomic modeling of economic fluctuations. 相似文献
6.
Erwin Diewert 《Journal of Productivity Analysis》2009,32(1):1-19
The paper considers how to measure capital in a model where technical progress is embodied in new units of capital. This embodiment
model also assumes that once new units of capital are installed, it cannot be “unbolted” and sold on the second hand market.
A significant difference between this Solow–Harper model and the traditional capital services model due to Jorgenson and his
coworkers is that rising real wage rates will generally induce early retirement of assets; i.e., this model can provide an
explanation for obsolescence. The paper studies how to aggregate over vintages and how to measure depreciation in the context
of this embodiment model. These problems are more complicated than the corresponding problems in the traditional capital services
model because the age of retirement of an asset is endogenous in the embodiment model. The paper uses duality theory to simplify
the exposition.
相似文献
Erwin DiewertEmail: |
7.
Standard theory for cross-country productivity comparisons assumes all countries use the same factor inputs in production. This assumption is violated when including natural resources, such as oil, gas and gold, because countries do not extract the full set of resources. In this paper we propose a solution by viewing it as a “missing goods” problem and assigning missing inputs a reservation price equal to the world resource price. We show that this has a substantial impact on relative productivity levels for countries heavily reliant on natural resources for generating their income. Under our new productivity measure, resource-rich countries are no longer uncommonly productive. 相似文献
8.
"旅游促进发展"已成为共识。随着上海都市旅游发展的深入,出现了许多不和谐现象和负面效应,特别是对本地居民利益保护的缺位现象等日益凸现。为了促进上海都市旅游和谐发展,在探析和谐旅游城市构建中引入参与发展理念,具有重要的理论与实践指导意义。 相似文献
9.
This paper explores the definitions and properties of total factor productivity growth (TFPG) indexes, focusing especially on the Paasche, Laspeyres, Fisher, Törnqvist, and implicit Törnqvist ones. These indexes can be evaluated from observable price and quantity data, and certain of these are shown to be measures of TFPG concepts and theoretical indexes that have been proposed in the literature. The mathematical relationships between these and quantity aggregates, financial measures, and price and quantity indexes are explored. Decompositions of the productivity growth indexes are also given. The paper concludes with a brief overview of some limitations on our analysis. 相似文献
10.
W. E. Diewert 《Bulletin of economic research》1992,44(3):163-198