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employment agencies have gained an increasing significance in matching employment and vacancies in the economy. solo searches by workers, and shorterperiods of employment, have necessarilyadded to the need for third party agents for the matching process in labour markets. thus the existence of these agents and sole agent searches has created a multiplicity of wages across labour . markets. we d...

BACKGROUND Computable general equilibrium models are known as a powerful instrument in economic analyses and widely have been used in order to evaluate trade liberalization effects. The purpose of this study was to provide the impacts of trade openness on pharmaceutical industry using CGE model. METHODS Using a computable general equilibrium model in this study, the effects of decrease in tar...

Data envelopment analysis (DEA) is amathematical programmingapproach for evaluating the relative efficiency of decision making units (DMUs) in organizations. The conventionalDEAmethods require accuratemeasurement of both the inputs and outputs. However, the observed values of the input and output data in real-world problems are often imprecise or vague. Fuzzy set theory is widely used to quanti...

factors affecting on job motivation from the managers point of view in teaching hospitals affiliated to urmia university of medical sciences in 2009 hamouzadeh p*1, sadeghifar j2, moradkhani b3 received: 25 april, 2010 accepted: 27 july, 2010 abstract background & aims: the fact that managers are planners of health care system plays an important role in the development of health care and treatm...

The current study investigates a cogeneration cycle of power and freshwater integrated with solar system. system is the heliostat type, which considered to preheat inlet air in combustion chamber 25-MW gas turbine. waste heat turbine output stream used produce freshwater. Parameters such as ambient temperature irradiance significantly affect system’s performance; hence, all analyses, including ...