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In recent years econometricians have examined the problems of diagnostic testing, specification testing, semiparametric estimation and model selection. In addition researchers have considered whether to use model testing and model selection procedures to decide the models that best fit a particular dataset. This book explores both issues with application to various regression models, including the arbitrage pricing theory models. It is ideal as a reference for statistical sciences postgraduate students, academic researchers and policy makers in understanding the current status of model building and testing techniques.
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The Gulf Cooperation Council (GCC) countries own 30 percent of the world’s proven oil reserves and largely depend on oil for their income. Yet the GCC faces serious challenges. The global demand for oil is expected to continue declining, and the average long-run oil price could become lower than its historical average in the future. This book is a research-based, structural macroeconomic analysis, providing evidence-based and future-facing policy recommendations for GCC governments. First, it analyzes historical data to explain the macroeconomic performance and economic policies of the GCC countries from 1970 to 2019. Then it presents ten-year dynamic stochastic projections from 2020 to 20...
E-Learning offers many opportunities for individuals and institutions all over the world. Individuals can access to education they need almost anytime and anywhere they are ready to. Institutions are able to provide more cost-effective training to their employees. E-learning context is very important. It is common to find educators who perceive e-learning as internet-only education that encourages a static and content-focused series of text pages on screen. Others envisage the shallow and random online messages that are typical of a social real-time chat session, and wonder how that type of communication could add any value to academic discourse. Some may have experienced e-learning done poo...
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"This book provides readers with a broad understanding of the emerging field of e-learning and also advises readers on the issues that are critical to the success of a meaningful e-learning environment"--Provided by publisher.
This paper studies the impact of the level and volatility of the commodity terms of trade on economic growth, as well as on the three main growth channels: total factor productivity, physical capital accumulation, and human capital acquisition. We use the standard system GMM approach as well as a cross-sectionally augmented version of the pooled mean group (CPMG) methodology of Pesaran et al. (1999) for estimation. The latter takes account of cross-country heterogeneity and cross-sectional dependence, while the former controls for biases associated with simultaneity and unobserved country-specific effects. Using both annual data for 1970-2007 and five-year non-overlapping observations, we fi...