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排序方式: 共有72条查询结果,搜索用时 31 毫秒
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Joan Muysken Ehsan Vallizadeh Thomas Ziesemer 《The Scandinavian journal of economics》2015,117(2):403-451
In this paper, we analyze the labor market impacts of immigration under flexible and rigid labor market regimes. A general equilibrium framework is developed, accounting for skill heterogeneity and labor market frictions, where unemployed medium‐skilled manufacturing workers are downgraded into low‐skilled service jobs, while low‐skilled service workers might end up unemployed. The analytical analysis shows that medium‐skill immigration decreases low‐skilled unemployment under the flexible regime, indicating a complementarity effect, while the rigid regime induces a substitution effect, leading to low‐skilled unemployment. Moreover, it leads to wage polarization. In a numerical analysis, the economic effects of different migration scenarios are quantified. 相似文献
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4.
This study aims to theoretically integrate quality factors of both medical and hospitality services in medical tourism. Medical tourism comprises both medicine and tourism. Although the core product in medical tourism is medical treatment, attractive hospitality and travel options are also essential. Despite the dual nature of medical tourism, the two aspects of this concept have not been integrated in a unique framework. This study attempts to fill this gap using interpretive structural modeling (ISM). According to ISM, although factors of medical services and hospitality services are independent from each other, these factors have vital impacts on perceived value, satisfaction, and loyalty. 相似文献
5.
Nadeem A. Burney Mohammad Alenezi Nadia Al-Musallam Ahmed Al-Khayat 《Applied economics》2016,48(28):2636-2650
This article used a data set containing information on 1267 households from Kuwait to investigate the determinants of demand for medical care services by examining households’ out-of-pocket expenses. To deal with the problems associated with households’ health expenditure data, a two-part model (TPM) was estimated. Given Kuwait’s demographic composition, the model was estimated for full sample, nationals only and expatriates only. Prior to estimating the model, tests were conducted to select a transformation that reduces problems associated with heteroscedasticity and non-normality of the errors. In addition, tests were performed to determine if differences in the estimated coefficients across population groups were statistically significant. 相似文献
6.
Ordering univariate distributions by entropy and variance 总被引:1,自引:0,他引:1
This paper examines the role of variance and entropy in ordering distributions and random prospects. There is no universal relation between entropy and variance orderings of distributions. But we place their relationship in the context of a stronger ordering relation known as dispersion ordering. Further, some conditions are identified under which variance and entropy order similarly when continuous variables are transformed. We also analyze parametric changes which do not disturb the agreement between these rankings. The results are conveniently tabulated in terms of distribution parameters. 相似文献
7.
For the last half century, trade theorists, development economists, and development practitioners have been calculating what
was claimed to be the shadow price of scarce foreign exchange. In fact, what they have been calculating is the social value
of the receipt of a unit of a numeraire good from abroad, typically obtained from real models. In our paper, we explicitly
deal with a model of a monetized economy, and we develop formulas for the social value of a unit of foreign currency, which,
in general, differ from the traditional formulas. 相似文献
8.
Nadeem A. Burney 《Applied economics》2013,45(1):49-57
This paper investigates the relationship between public expenditure and a number of socioeconomic variables, including the level of income, in Kuwait. A general form of the public expenditure function is formulated and recent developments in time series econometrics, including unit roots and cointegration tests, and an error-correction model are used. Given the characteristics of the economy, alternative measures for each variables are used. The analysis in the paper is based on time-series data covering the period from 1969/70 to 1994/95. In general, the findings lend little support to the existence of long-run equilibrium relationship between public expenditure and the socioeconomic variables, and the evidence does not lend support to the validity of Wagner's law in Kuwait. 相似文献
9.
Some economists use an export tax, which alters the domestic relative price of exports, to model a voluntary export restraint,
which is a restriction on the quantity of exports with restriction-induced rents accruing to the exporting country. Implicit
in this approach is the presumption that the two policies are equivalent. In a very general model that allows for a finite
number of goods and factors and intermediated goods and joint production, we demonstrate that, in general, this is, in fact,
not the case. Specifically, from the exporting country’s perspective, the real income effects of the two policies are nonequivalent. 相似文献
10.
Dr. Daniel Oberle Dipl.-Ing. Nadeem Bhatti Dr. Saartje Brockmans Dipl.-Wirtsch.-Ing. Michael Niemann Dr. Christian Janiesch 《Business & Information Systems Engineering》2009,1(5):370-390
Business Webs apply the idea of value networks to the WWW. The underlying delivery platform is commonly referred to as the
Internet of Services and will certainly have to deal with a great variety and amount of information about services along several
service information dimensions. As soon as brokerage, discovery, or community feedback parts are decentralized, there emerge
a number of service information challenges (modeling the information in a holistic way, documentation, interlinkage, tool
interoperability, distributed querying, inconsistent information, and cooperation of different stakeholders). In this paper,
we propose to counter such service information challenges by two artifacts. First, we contribute a Service Ontology based
on a sound and rigid foundational ontology. The Service Ontology provides a holistic and consistent way of capturing service
information. We apply the recommendations of the W3C Semantic Web Activity whose recent standardization has already opened
new possibilities for tool interoperability, interlinkage of information, and distributed querying on the web. However, building
and prescribing an ontology in standardized languages is not enough to address all service information challenges. Therefore,
as a second contribution, we provide a method around the ontology including a governance framework, guidelines for applying
the W3C Semantic Web recommendations, a lifecycle-spanning tool chain, and different levels of applicability. We label our
method Semantic Business Web approach, since we build on W3C Semantic Web standards, use and extend them in the Business Web
setting. Both artifacts are constructed in an interdisciplinary way by experts participating in the German lighthouse project
THESEUS/TEXO. The project’s scenario also serves as a proof of concept evaluation of the artifacts. 相似文献