نتایج جستجو برای: الگوی panel
تعداد نتایج: 129087 فیلتر نتایج به سال:
در سالهای اخیر افزایش چشمگیر در امید به زندگی همراه با باروری و مرگ و میر پایین منجر به سالخوردگی جمعیت و افزایش نرخهای وابستگی افراد مسن شده است. با توجه به این موضوع، در این مقاله به اثرات طول عمر و نرخ وابستگی افراد مسن بر پسانداز با استفاده از رویکرد گروه میانگین تلفیقی (PMG) پرداخته شده است. ویژگی مطالعه حاضر این است که نقشهای جداگانهای برای امید به زندگی و نرخ وابستگی افراد مسن در نظ...
Amidst continuing difficulties in justifying the expenditure on e-Government with financial and other returns, we examine whether the delivery of government services online facilitates the setting up of new businesses in a country. Using a panel assembled from three public sources of data, we examine whether delivering more and more government services online reduces the number of procedures th...
Due to the lack of consistent data, direct and robust comparisons of cross-country labour markets have been virtually impossible. This study uses a new panel data series that controls for inconsistencies, thus overcoming this problem. This study estimates gender wage differentials and gender discrimination in the German and United Kingdom labour markets. Panel estimates are used to identify gen...
The aim of this paper is to explore how interpersonal variation in risk preference affects human capital investment and wage growth. To date, there has been a distinct lack of empirical research in this area despite the fact that the risk preference of individuals plays a key role in the theory of human capital accumulation. We investigate the link between risk preference, human capital investm...
The advantages, disadvantages, and issues involved in the panel analysis of travel behavior are discussed. Increased statistical efficiency, possibility of improved prediction, and the ability to observe changes and examine behavioral dynamics, are among the advantages panel data offer. Their disadvantages, on the other hand, stem from the added biases and costs of panel survey, and increased c...
many mobile and off-grid devices include electronics and other electrical consumers like servo drives, which need a quite low supply power. since the price for photovoltaic modules drops continuously, photovoltaic power supply is interesting in more and more applications. in solar powered systems, a battery is needed to store energy for the night and cloudy periods. the power electronics of suc...
This report is the outgrowth of the Atmospheres Panel meeting held in September 1991. The Panel was asked to either endorse or reject the CEES and IPCC research priorities for global change and to indicate which EOS candidate instruments, in the Panel's opinion, made the most significant contributions to answering the scientific questions associated with the CEES and IPCC priorities. After some...
Objective To perform a comprehensive review of the literature from July 2011 until June 2015 on the virology and bacteriology of otitis media in children. Data Sources PubMed database of the National Library of Medicine. Review Methods Two subpanels comprising experts in the virology and bacteriology of otitis media were created. Each panel reviewed the relevant literature in the fields of viro...
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