نتایج جستجو برای: economic models

تعداد نتایج: 1196204  

پایان نامه :0 1392

nowadays in trade and economic issues, prediction is proposed as the most important branch of science. existence of effective variables, caused various sectors of the economic and business executives to prefer having mechanisms which can be used in their decisions. in recent years, several advances have led to various challenges in the science of forecasting. economical managers in various fi...

2014
Hugo Valin Ronald D. Sands Dominique van der Mensbrugghe Gerald D. Nelson Helal Ahammad Elodie Blanc Benjamin Bodirsky Shinichiro Fujimori Tomoko Hasegawa Petr Havlík Edwina Heyhoe Page Kyle Daniel Mason-D’Croz Sergey Paltsev Susanne Rolinski Andrzej Tabeau Hans van Meijl Martin von Lampe Dirk Willenbockel

1999
Julien J. Harou Manuel Pulido-Velazquez David E. Rosenberg Josué Medellín-Azuara Jay R. Lund Richard E. Howitt

a Environment Institute and Department of Civil, Environmental and Geomatic Engineering, University College London, Pearson Building, Gouwer Street, London, UK Departamento de Ingeniería Hidráulica y Medio Ambiente, Universidad Politécnica de Valencia, Cami de Vera, s/n. 46022, Valencia, Spain Department of Civil and Environmental Engineering, Utah Water Research Laboratory, Utah State Universi...

1998
Timothy J. Bartik Ken Kline Leslie Lance Gary Burtless

U.S. welfare reforms will add one to two million persons to the labor force from 19932005. Because this increase in labor supply is only about one percent of the U.S. labor force, it is unlikely that welfare reform will have sizable effects on overall U.S. wages or unemployment. However, a variety of economic models suggest that welfare reform will significantly reduce the real earnings of some...

1988
Abraham NEYMAN

Consider non-atomic vector measure games; i.e., games u of the form u = f o(pI.. . ,p.), where (pIr.. .,p.) is a vector of non-atomic non-negative measures and f is a real-valued function defined on the range of (pi,. . .,pi.). Games of this form arise, for example, from production models and from finite-type markets. We show that the value of such a game need not be a linear combination of the...

1993
Mark W. Watson

This paper suggests a new procedure for evaluating the fit of a dynamic structural economic model. The procedure begins by augmenting the variables in the model with just enough stochastic error so that the model can exactly match the second moments of the actual data. Measures of fit for the model can then be constructed on the basis of the size of this error. The procedure is applied to a sta...

2017
Ralf Skripitz

2.2 Periprosthetic Joint Infections in the Spectrum of the German Diagnosis-Related Groups System – 14 Sascha Gravius and Hendrik Kohlhof 2.2.

2000
van den Bergh

Economic aspects of possible land use strategies and protection measures in coastal zones as a response to global environmental change are examined. First, some key elements are mentioned that are of critical importance for water and land management in coastal zones. Next, various socio-economic repercussions are discussed. In this context, research needs will be addressed. Subsequently, these ...

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