نتایج جستجو برای: دادههای تابلویی panel data

تعداد نتایج: 2465778  

2003
Jean Monnet

The paper seeks to develop our understanding of the somewhat diffuse nature of technological externalities in technological space by associating a geographical dimension with the sectoral dimension. Using panel data this paper estimates a knowledge production function that allows for spillovers inside the same industry and outside, and for local as well as global geographical spillovers. This a...

2003
Patrik Hesselius Jan Wallander

The paper examines whether a worker’s sick absence behaviour influences the risk of becoming unemployed. Swedish panel data are used to estimate the relationship between the incidence and duration of sick leave and subsequent unemployment. The results indicate that an increase in the number of sick leaves as well as an increase in the duration of sick spells is associated with higher risk of un...

2004
Mark N. Harris Max Gillman

The paper presents panel data evidence for 13 transition countries on inflation, financial development and growth. It contributes to the growth literature by showing that the transition countries conform to developed country evidence in particular with the strong negative effect of inflation on growth. It also contributes more evidence to the debate on the role of financial development. Once in...

2004
Francesco Feri Miguel A. Meléndez-Jiménez Giovanni Ponti Fernando Vega Redondo

This paper reports on an experiment designed to analyze information revelation in sequential guessing games. We observe a remarkable frequency of equilibrium outcomes. Deviations from the equilibrium are explained by learning considerations. By means of applying panel data econometric techniques, we find the presence of error cascades, which represent the situation where the deviation from lear...

2007
Pedro S. Martins

Heterogeneity in Real Wage Cyclicality This paper presents evidence that real wage cyclicality can be a particularly heterogeneous parameter, depending on different worker characteristics and also on the specific stage of the business cycle. Using matched employer-employee panel data for Portugal covering the period 1986-2004, real wages are shown to be considerably more procyclical during rece...

ژورنال: :سیاست گذاری پیشرفت اقتصادی 2015
عبدالرسول قاسمی حامد پاشازاده

در این مقاله، ابتدا با استفاده از مدل­های ابرکارایی با رویکرد تحلیل دریچه­ای، زیست­کارایی کشورهای منتخب را محاسبه کرده، سپس، با استفاده از برآوردگر گشتاوری تعمیم یافته (gmm) وجود رابطه زیست محیطی کوزنتس را مورد بررسی قرار می­دهیم. یافته ها نشان می­دهد که در سال­های مورد مطالعه هند، ترکیه، مصر و ایران به ترتیب بالاترین کارایی زیست­محیطی را داشته­اند. همچنین، در طول سال­های مورد بررسی کارایی ...

Journal: :European Journal of Operational Research 2005
Ines Herrero

Several approaches exist for the estimation of technical efficiency. In this paper the four most relevant ones (Data Envelopment Analysis, Stochastic Production Frontiers, Panel Data and Distance Functions) have been compared. The different approaches have been applied to the to the Spanish Trawl fishery that operated in Moroccan waters. The study highlights some of the problems arising from th...

Journal: :اقتصاد و توسعه منطقه ای 0
شهرام فتاحی خلیل عطار

confirmation of convergence hypothesis among provinces, its role in removing divergence among regions and achieving regional convergence is one of the important issues in macroeconomics. the aim of the present study is to examine absolute and conditional income convergence hypotheses among iranian provinces during the period 2000-2010 using panel data. the hypotheses are tested for the whole pr...

تغییرات نرخ ارز بر سیاست‌ها و استراتژی‌های قیمت‌گذاری صادرکنندگان ایران در بازارهای بین‌المللی نقش بسیار مهمی ایفا می‌کند. بنابراین، بررسی درجه قیمت‌گذاری برای بازار توسط صادرکنندگان ایران در 48 بازار مقصد در دوره 91-1371 هدف اصلی این مطالعه است. وجه تمایز این مطالعه نسبت به مطالعات پیشین استفاده از روش‌های پیشرفته و پویای داده‌های تابلویی (نظیر میان گروهی تلفیقی، گشتاورهای تعمیم‌یافته سیستمی و...

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