Sharif Digital Repository

This research has been surveyed the impact of intermediate skilled and high skilled human labor force on the productivity of manufacturing sectors by the Nelson & Phelps and also Lucas approaches. first model is related to the level of productivity and the second model is related to the growth of it. We has been prepared the needed statistics from the raw figures of iran statistics center. regression analysis has been done on the basis of panel data model by the use of stata software. the results show that not good efficiency to optimize technology factor of Cobb-Douglas model although it shows higher marginal labor productivity of high skilled human labor force. we has proposed some... 

Systems Thinking is a key to improve the quality of decision making in various situations such as social, political, economic and managerial ones. Systems Thinking is considered a foundation of Organizational Learning and currently has a crucial and cultivating role in the management literature. Therefore, it is now critical for organizations to have people within them who are able to think systematically. This need for possessing Systems Thinkers in organizations highlights the importance of the education of Systems Thinking. An evidence for this is the growing importance of Systems Thinking Education in the Systems Thinking Literature. On the other hand, one of the most important issues in... 

In this research supply and demand factors regarding skill premium, ratio of revenue of college to non-college workers, in years 1984 to 2012 have been investigated. Three periods 1984 to 1995, 1995 to 2005 and 2015 to 2012 can be identified. In all three periods relative supply of college workers has increased. Demand in the periods have been constant, increasing and decreasing respectively and with the effect of demand has led to decreasing, increasing and decreasing trend of skill premium in these periods respectively. Share of low skilled sectors like construction, trade and agriculture in second period declined which led to increased demand for high skilled labor .An opposite effect... 

Performing a safe and effective endoscopic sinus and skull based surgery (ESSS), requires special training programs to gain sufficient hand-eye coordination and instrument manipulation skills. In this regard, virtual-based haptic surgical training systems have been considered among the medical students and residents as an effective approach for training practices. Therefore, in this study, the development of a haptic training system for ESSS, based on an animal model has been addressed. By conducting various indentation and relaxation experiments, mechanical properties of the specific sino-nasal regions of sheep head, as a function of force, displacement and tool insertion rate, for three... 

The research is performed to study the process of policy making and policy implementation of initiating student education network (Shaad) as as the first official platform of virtual education in Iran. We want to compare this process with “Kingdon’s multiple stream model”; because shaad initiated shortly after the closure of school’s caused by the outbreak of Covid-19 virus, while in recent years there have been several failed attempts to launch formal e-learning plans. Data were gathered trough semi-structured interviews of experts with shaad founders (11 people), reviewing some of the related documents and news, and unstructured observation by researcher. The findings were coded using... 

This study examines the effects of natural disaster risk, specifically earthquakes, on the likelihood of obtaining a high school diploma. By analyzing data related to earthquake occurrences and educational attainment, the research aims to identify potential disruptions caused by seismic activities and how they influence students' ability to complete their high school education. The findings contribute to a better understanding of the socio-economic impacts of natural disasters on educational outcomes, providing insights for policymakers to mitigate these risks in earthquake-prone areas