نتایج جستجو برای: by using tfp standard deviation we find no evidence for sigma convergence jel classification o40

تعداد نتایج: 14679313  

2009
Levon Barseghyan Riccardo DiCecio

We construct a variant of the neoclassical model with endogenous entry and operation decisions by …rms. The model is calibrated to match key features of the distribution of …rms, by age and by size, for the U.S. A higher entry cost leads to a higher degree of misallocation of productive factors across …rms, lower TFP, and lower output. In the data entry costs average 58 percent of per capita GD...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده علوم انسانی 1389

abstract amino acids are building blocks of proteins, and play a vital role in living beings existence and their functionality. the interaction of these compounds with metal ions is of great importance to biochemists, and chemists, because their functions can be utilized as a model in understanding enzymes mechanism for transport of metal ions to tissues. among twenty essential amino acids w...

2000
John Goddard John Wilson

Cross sectional estimation of convergence regressions is known to be hazardous if there is convergence towards heterogeneous steady state values. In this paper, Monte Carlo methods are used to investigate the implications of this parameter heterogeneity problem. The cross sectional and pooled OLS estimators are compared with a panel estimator which is unaffected by heterogeneity. If there is he...

Journal: :international economics studies 0
abbas aminifard

â  â â â  â  abstract â  this paper examines convergence of real gdp per capita in the selected east asian countries and this relationship with selected middle east countries during the period 1950-2009. the reason behind this refers to the fact that east asia countries (including china, hong kong, singapore, malaysia, indonesia, thailand, japan and south korea) have been involved in achieving ...

2001
Yonghong Wu David Popp Stuart Bretschneider

In this paper, we improve upon Coe and Helpman’s model of international R&D spillovers, using seemingly unrelated regression (SUR) to include interdependence among national economies and allow for variations in coefficients across countries. We find that the impact of knowledge spillovers on national productivity is context dependent: positive in some cases while negative in others. From our in...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...

پایان نامه :0 1374

the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...

1998
Paul Conway Ben Hunt

The recent productivity experience of the New Zealand economy is examined using a cyclically-adjusted or trend measure of total factor productivity (TFP). On the basis of this measure, the results of estimating a leader-follower convergence relationship suggest that productivity in New Zealand has been converging to US levels through a process of technological diffusion. The evidence also tenta...

This paper examines convergence of real GDP per capita in the selected East Asian countries and this relationship with selected Middle East countries during the period 1950-2009. The reason behind this refers to the fact that East Asia countries (including China, Hong Kong, Singapore, Malaysia, Indonesia, Thailand, Japan and South Korea) have been involved in achieving success arising from regi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان همدان - دانشکده ادبیات و علوم انسانی 1390

abstract this study is an attempt to determine the effect of nano- technology education on science lesson for fifth grade in primary school in the city of kermanshah. this research is experimental and is conducted in the from of pre-test and post- test for the control group. an achievement test was administered to determine the rate of learning in the students. the research is an applied one. ...

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