the main objective of this paper is to analysis the impact of information and communication technology (ict) on energy consumption in the mena region selected countries during the period 1995-2011. for this purpose, used the model presented by sadorsky (2012) and three indicators that measured ict: the number of internet users, the number of mobile lines and the number of telephone lines. also,...

in present study, role of agricultural on eco countries regional convergence was assessed in dynamic panel data model. at first, eco countries convergence and agricultural sector effect in convergence acceleration was surveyed by generalized method of moments (gmm) over the period 1996-2005. results showed that, this is convergence between eco countries. in spite of increasing regional growth, ...

today export diversification has become one of the most important economic objectives of development strategies in the developing countries. for various reasons, such as preventing instability in export prices of primary products in global markets, reducing fluctuations in exchanges of them compared with industrial goods, producing dynamic benefits resulted from exporting various goods and incr...

This paper proposes a simple test for global identi…cation of Generalized Method of Moments (GMM) estimators in models de…ned by conditional moment restrictions. The test is based on comparing two estimators, one which is always consistent, even under global identi…cation failure of the unconditional model, and the GMM estimator. It is shown that the test is able to detect Pitman alternatives, ...

tourism industry has been the fastest and the most income-generating industry in the first decade of the third millennium. it has been for many countries including some of oic member countries a source of foreign exchange and contributed into their development. in this paper, we try to test empirically whether tourism expansion has had any significant effect on economic growth of oic member cou...

This paper studies the application of generalized method moments (GMM) to multi-reference alignment (MRA): problem estimating a signal from its circularly-translated and noisy copies. We begin by proving that GMM estimator maintains asymptotic optimality for statistical models with group symmetry, including MRA. Then, we conduct comprehensive numerical study show substantially outperforms class...

This paper considers classical hypothesis testing in the maximum likelihood (ML) and generalized method of moments (GMM) frameworks, where components of unconstrained (and constrained) estimates of a model may have various rates of convergence and their limiting distributions are asymptotically normally distributed. Sufficient conditions are established under which the likelihood ratio, efficie...

This paper explains why Godambe-Durbin \estimating functions" (EFs) from 1960 are worthy of attention in econometrics. Godambe and Kale (1991) show the failures of Gauss-Markov and least squares and prove the small-sample superiority of EFs. There are many areas of Econometrics including unit root estimation, generalized method of moments (GMM), panel data models, etc., which can use some simpl...

In this paper we derive a test statistic generating equation (TSGE) from which several statistics suitable for testing parametric restrictions in models estimated by the generalized method of moments (GMM) may be obtained. This statistic presents three main features: it is valid for producing statistics appropriate for testing constraints expressed in very general forms, which may involve not o...

This article surveys J. D. Sargan’s work on instrumental variables (IV) estimation and its connections with the generalized method of moments (GMM). First the modeling context in which Sargan motivated IV estimation is presented. Then the theory of IV estimation as developed by Sargan is discussed. His approach to efficiency, his minimax estimator, tests of overidentification and underidentific...