This paper employs both the descriptive and comparative approaches and uses the definition of systems of innovation used in the literature to examine the existence, characteristics and implications of the regional systems of innovation in the Arab region. We examine three hypotheses, that the...

This paper provides an assessment of the impacts of oil and discusses the opportunities and challenges for enhancing economic development in Sudan. One advantage of our analysis in this paper is that we provide a more comprehensive analysis using the most recent secondary data to discuss the...

In this paper, we use the data from the firm survey (2002) at the micro level and some recent and update current secondary data at the macro level to examine the importance (impacts) of tacit and codified sources of knowledge at firm and aggregate levels respectively. Our results at the macro...

This paper employs both the descriptive and comparative approaches and uses the definition of knowledge and knowledge indicators used in the literature to examine the existence and development of the knowledge economy in the Arab region. We fill the gap in the Arab literature and present a more...

In this paper we use the systematic, descriptive and statistical approaches, fill the gap in the Arab literature and present a more comprehensive analysis of the important ways of enhancing the incidence and transfer of knowledge in the Arab countries. Different from the conventional view in the...

This paper employs both the descriptive and comparative approaches and uses the Organisation for Economic Cooperation and Development's definition of Science and Technology (S&T) indicators (OECD, 1997) to discuss S&T development in Sudan. We find that the low level and the insufficient...

Recent evidence on the effect of government spending shocks on consumption cannot be easily reconciled with existing optimizing business cycle models. We extend the standard New Keynesian model to allow for the presence of rule-of-thumb (non-Ricardian) consumers. We show how the interaction of...

We lay out a tractable model for fiscal and monetary policy analysis in a currency union, and analyze its implications for the optimal design of such policies. Monetary policy is conducted by a common central bank, which sets the interest rate for the union as a whole. Fiscal policy is...

I analyze the effects of an increase in government purchases financed entirely through seignorage, in both a classical and a New Keynesian framework, and compare them with those resulting from a more conventional debt-financed stimulus. My findings point to the importance of nominal rigidities...