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151.
胡景北 《上海金融学院学报》2008,(2):5-12
本文借助于不变工资模型和递增工资模型,以农业劳动力向现代部门转移为视角,从逻辑上考察了从前资本主义经济向现代经济转变的经济发展过程,并用劳动平均生产率高于工资、边际生产率低于工资对经济发展过程做出严格定义,并说明在经济发展过程中,劳动边际生产率将比平均生产率提高得更快,劳动产量弹性上升,同时农业劳动生产率将比现代部门提高得更快。 相似文献
152.
153.
《国际粮食与农业综合企业市场学杂志》2013,25(1):7-20
Economic and financial feasibility of projects that are being presented for potential funding by financial agencies depend, among others, on the soundness of assumptions made about the niche in the market which the contemplated enterprises are to fill. This type of market share forecasting is particularly hazardous for entrepreneurs in less developed countries (LDCs), who aim at penetrating export markets for non-traditional agricultural commodities. In this article the author: (a) reviews the methodology used by an Uruguayan enterprise, which decided to export summer citrus to markets in the Northern Hemisphere; (b) shows how these procedures for market share forecasting could be readily adapted to preparation of feasibility studies for enterprises aimed at penetrating export markets for other non-traditional products; and (c) explores the macro-marketing implications of the case study for off-season export of fresh produce from the Southern Hemisphere to consumer centers in North America, Western Europe and Japan. 相似文献
154.
Takeshi Yagihashi 《Applied economics》2013,45(15):1588-1605
This article examines the relationship between two types of preference: preference of intertemporal choices and preference towards risk. In the simplest form of the constant relative risk aversion utility function, the intertemporal elasticity of substitution (IES) and risk aversion have an inverse relationship. However, there is no empirical evidence that suggests this inverse relationship holds. We examine the relationship between risk aversion and IES using household consumption data from the Consumer Expenditure Survey during 1996–2010. Multiple risk domains are selected to represent risk preference, and for each domain, we consider some households to be more risk averse than others. We separately estimate IES for the more risk-averse and less risk-averse households. We find that the IES estimates are generally smaller for the more risk-averse households than for the less risk-averse households and that the difference is statistically significant in the majority of the financial domains. This finding supports the inverse relationship between the two parameters, although considerable heterogeneity is found across domains. 相似文献
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156.
This paper derives analytical expressions for the revenue elasticity of complex income tax systems, as applied to tax units and in aggregate. Among the complexities considered are the schedular nature of income tax systems and the role of central and regional governments, along with the existence of a range of intricate tax credits and eligible expenditures and deductions. Empirical estimates are obtained for the case of Spain using a cross‐sectional data set, which enables a number of important ancillary elasticities (relating to allowances and tax credits, and different income sources) to be estimated. It is found that there is considerable variation among tax units in the revenue elasticity, with highly positively skewed distributions. The nature of the distributions varies among regions of Spain, and the aggregate elasticities for each region were found to display some variation associated with income distribution differences. The national aggregate is found to be around 1.3. 相似文献
157.
Krishna Hamal 《Asia Pacific Journal of Tourism Research》2013,18(2):35-46
An econometric model is very useful for understanding the underlying relationship between tourism demand and economic variables such as income and travel prices. However, a long time series horizon of data is essential to run an econometric model that is consistent with economic theory. Although time series data on the number of domestic trips and visitor nights in Australia are available since 1978–79, breaks in the time series in different years have made it difficult to estimate a domestic holiday demand model. It is because the data series in different periods are not directly comparable. In this study, a simple data adjustment technique has been used to obtain comparable data series. Among several econometric demand models, a single equation multivariate time series demand model in a double log linear functional form was found to be the most appropriate and practical model to estimate and analyze the demand parameters of domestic holiday travel in Australia. However, the model with variables in level terms was observed having the “spurious regression problem” which has been corrected using the cointegration and error correction mechanisms. The estimated income and price elasticity of domestic holiday travel demand are consistent with economic theory and therefore can be used for forecasting and other purposes. 相似文献
158.
Bi-Huei Tsai 《Technovation》2013,33(10-11):345-354
An effective diffusion model characterized by the technology-induced function diversification and cost reductions can be developed to reflect whether competition exists among multiple generations of technology and to interpret how price reductions stimulate consumption. New technology can enhance the production skill levels of LCD TV manufacturing, enabling successive generation of LCD TV to become larger-sized than the previous generation, reducing the overall cost in manufacturing process and resulting in the price reduction of LCD TVs. However, previous diffusive predictions of LCD TVs using conventional multi-generational models ignore the price effect on market potentials and generational substitutions, so a novel generation-specific multi-generational model for the first time incorporating heterogeneous price elasticity and consumer behaviors across various LCD TV sizes is constructed in this work. This study applies nonlinear least square method to simulate the parameters of our modified model and further compares the accuracy between our modified model and the existing models. Analytical results indicate that price reduction strongly correlates with LCD TV sales, implying that price reductions increase the market potential of each LCD TV generation. Our modified model performs superior to the conventional multi-generational model in terms of predicting future shipment orbits of 26-, 42-, and 46-in. LCD TVs. 相似文献
159.
Gaetan de Rassenfosse Bruno van Pottelsberghe de la Potterie 《Journal of economic surveys》2013,27(4):696-716
This paper reviews the economic literature on the role of fees in patent systems. Two main research questions are usually addressed: the impact of patent fees on the behavior of applicants and the question of optimal fees. Studies in the former group confirm that a range of fees affect the behavior of applicants and suggest that a patent is an inelastic good. Studies in the latter group provide grounds for both low and high application (or pre‐grant) fees and renewal (or post‐grant) fees, depending on the structural context and policy objectives. The paper also presents new stylized facts on patent fees of 30 patent offices worldwide. It is shown that application fees are generally lower than renewal fees, and renewal fees increase more than proportionally with patent age. 相似文献
160.
This paper examines the (long-run) intra-zonal elasticities between the spot exchange rates of the deutschemark and other major ERM currencies (French franc, Belgian franc, Dutch guilder, Danish krone, Italian lira and British pound) under the EMS. The findings show that under the fixed-but-adjustable rate system, the hypothesis of no cointegration can be rejected for all chosen ERM currency pairs and unit restriction on zonal elasticities can be accepted for almost all cointegrated currency pairs. On the other hand, under the fixed-rate system, Danish krone, Italian lira and British pound fail the cointegration test and the zonal elasticities for all cointegrated currency pairs are rejected to be unity. The study signifies less intense linkages of the ERM currencies without parity realignments. Finally, the deutschmark took the role of error-correcting process for one cointegrated currency pair under the fixed-but-adjustable-rate system, and it performed the same role for two pairs under the fixed-rate system. Hence, deutschmark should not be assumed a priori statistically exogenous under the EMS 相似文献