Spatial effects are endemic in models based on spatially referenced data. The increased awareness of the relevance of spatial interactions, spatial externalities and networking effects among actors, evoked the area of spatial econometrics. Spatial econometrics focuses on the specification and...

This discussion paper led to an article in <I>Applied Economics</I> (2012). Volume 44, issue 11, pages 1363-1374.<P> We design a conceptual framework for linking two approaches: the literature on absorptive capacity and the literature on spatial knowledge spillovers. Regions produce new knowledge, but...</p></i>

This discussion paper resulted in an article in <I>Tijdschrift voor Economische en Sociale Geografie</I> (2011). Volume 102(4), pages 385-405.<P> Knowledge drives the growth of nations and regions in a competitive space-economy. Hence, we would expect a strong correlation between investments in R&D,...</p></i>

This discussion paper resulted in an article in the <I>Journal of Regional Science</I> (2013). Volume 53, Issue 5(SI), pages 855-873.<P> This paper studies the impact of physical distance and different relational proximity types on the formation of the Internet infrastructure. Although there is some...</p></i>

Low levels of infrastructure quality and quantity can create trade impediments through increased transport costs. Since the late 1990s an increasing number of trade studies have taken infrastructure into account. The purpose of the present paper is to quantify the importance of infrastructure...

This discussion paper led to an article in <I>Papers in Regional Science</I> (2014). Volume 93, Issue 2(SI).<P> The majority of cities in our world is not only connected through conventional physical infrastructure, but increasingly through modern digital infrastructure. This paper aims to test whether...</p></i>

A burgeoning literature has emerged during the last two decades to assess the economic impacts of immigration on host countries. In recent years much research has been at the national level under the assumption that impacts in open regions may dissipate through adjustment processes such as...

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...