The study explores a long memory conditional volatility model on international grain markets, demonstrating importance of modeling both temporal effects of volatility and long memory process. This study adopts six different volatility models, nested in an ARMA(p,q)- FIGARCH(P,D,Q), to capture...

This paper is Selected for presentation at the Southern Agricultural Economics Association Annual Meeting, Atlanta, Georgia, January 31-February 3, 2009. The research is partially funded by ERS/USDA China Project and Social Science Fund of Jiangsu Province in China. The authors are grateful for...

This study applies panel data techniques to investigate the long-run relationship between energy consumption and GDP for a panel of 19 African countries (COMESA) based on annual data for the period 1980-2005. In the first step, we examine the degree of integration between GDP and energy...

Standard models of management of a single-species fishery generally assume that the biomass is of known size and that it is generated by a well-specified deterministicgrowth law. In reality the biomass is of uncertain size and usually subject to random growth. Several authors have addressed the...

This study focuses on public investments and policy reforms for leveraging growth spillovers at the Africaregional level. It reviews first the theory and evidence of knowledge and growth spillovers generally andsecond the evidence in the African context. Given the limited and scattered evidence...

Within the globalizing world, regions and their identities are subjected to greatpressure. At present, places are engaged in a process of “territorial competition” inan integrated world economy. The identity of the region can be used as a startingpoint to brand a region and differentiate it...

Today, more than ever, development of agriculture leans on science research results and their practical application. Research in the field of agriculture is conducted by large network of public institutions, institutes and universities are mostly directed toward improvement of production....

Prepared for the COMESA policy seminar on“Variation in staple food prices: Causes, consequence, and policy options”,Maputo, Mozambique, 25-26 January 2010under the Comesa-MSU-IFPRI African Agricultural Marketing Project (AAMP)

Paper to be presented at the Comesa policy seminar“Food price variability: Causes, consequences, and policy options"on 25-26 January 2010 in Maputo, Mozambiqueunder the Comesa-MSU-IFPRI African Agricultural Markets Project (AAMP)

For decades, agricultural price and trade policies in Sub-Saharan Africa hamperedfarmers’ contributions to economic growth and poverty reduction. While there hasbeen much policy reform over the past two decades, the injections of agriculturaldevelopment funding, together with on-going regional...