نتایج جستجو برای: o40
تعداد نتایج: 358 فیلتر نتایج به سال:
Renewable energy, which is the type of energy that plays a major role in development and growth countries, an important today’s world, considering life depleted resources finite. Compared to fossil sources, except its source infinite, noticeable difference carbon dioxide emission seen as reason for preferring renewable sources. Many studies literature investigate relationship between consumptio...
The phases of ceria–zirconia nanoparticles observed in air are studied as a function of particle size and composition by X-ray diffraction, transmission electron microscopy, and Raman spectroscopy. The emergence of two tetragonal phases t00 and t monotonically moves toward higher zirconia concentrations with decreasing particle size. A smaller particle size increases the solubility of zirconia ...
In this paper I estimate empirical growth models simultaneously considering endogenous regressors and model uncertainty. In order to apply Bayesian methods such as Bayesian Model Averaging (BMA) to dynamic panel data models with predetermined or endogenous variables and fixed effects, I propose a likelihood function for such models. The resulting maximum likelihood estimator can be interpreted ...
This paper examines the causal relationship between growth and poverty reduction in developing countries between 1970 and 1998. For this purpose, we apply a modified form of traditional Granger causality tests to suit the short times series that are available, and use panel data model evaluation techniques to test the out-of-sample forecasting performance of competing models. We conclude that t...
This paper studies the transitional dynamics in a quality ladder model of endogenous growth in which North-South trade leads to technological diffusion through reverse engineering of intermediate goods. The concept of learning-to-learn is incorporated into both imitative and innovative processes, which in turn drive domestic technological progress. International trade with imitation leads to fe...
The paper investigates the situation of middle-income economies around the world. Since 1965, only 18 economies with a population of more than 3 million and not dependent on oil exports have made the transition to being high income. Many more have not been able to move beyond the middle-income stage. We conduct statistical tests of differences between two groups of economies across a range of g...
A simple intellectual property rights (IPRs) framework is introduced into a dynamic quality ladder model of technological diffusion between innovating firms in one country and imitating firms in another country. The presence of technological spillovers and feedback effects between firms in the two countries demonstrates that, even when steady state growth increases, transition costs sometimes d...
This study explores the different implications of patent breadth and R&D subsidies on economic growth and endogenous market structure in a Schumpeterian growth model. We find that when the number of firms is fixed in the short run, patent breadth and R&D subsidies serve to increase economic growth as in previous studies. However, when the number of firms adjusts endogenously in the long run, R&...
This paper examines the growth experience of Latin America and discusses future prospects. For this purpose we use alternative approaches. We first perform growth decompositions to look at the behavior of total factor productivity and examine differences across regions of the world and within Latin America. Then, we use cross-country growth regressions to compare the relative performance of Lat...
Recent research on growth empirics has been focused on resolving model and variable uncertainty. The conventional approach has been to assume a linear growth process and then to proceed with investigating the relevant variables that determine cross-country growth. This paper questions the linearity assumption underlying the vast majority of such research and uses recently-developed nonparametri...
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