This study evaluates the feasibility of using the grass species Rendlia altera, Monocymbium ceresiiforme, Cynodon dactylon, and amendments (compost and lime) for the phytostabilisation of soils contaminated by Cu in the province of Katanga (Democratic Republic of Congo). Species were grown on...

Since Roll (The Journal of Finance 47(1):3-41, 1992) and Heston and Rouwenhorst (Journal of Financial Economics 36:3-27, 1994), there has been a debate whether country factors in international stock returns are typically more variable than sector factors. The addition of emerging markets (EMs)...

When grass species are used to reseed depleted drylands, grazing is often prescribed during the establishment phase. Total protection from grazing often leads to the presence of persistent weed species and is hard to accept by land users keen to graze reseeded land as soon as possible. The...

This article applies the main findings of actor-network theory to the outcomes of international environmental negotiations on technological issues. Taking the Convention on Biodiversity (CBD) as a case study, and more precisely its developments on biotechnology and bioprospecting applications,...

This paper investigates whether financial intermediary development influences macroeconomic technical efficiency on a sample of 47 countries, both developed and developing, over 1980-1995. We do so by applying Battese and Coelli (1995)’s method at the aggregate level. It is found that...

This paper tests whether corruption may be an efficient grease in the wheels of an otherwise deficient institutional framework. It analyzes the interaction between aggregate efficiency, corruption, and other dimensions of governance for a panel of 69 countries, both developed and developing....

This paper explores the existence and importance of financing constraints for R&D investments in large EU and US manufacturing companies over the 2000 – 2007 period. The main results obtained by estimating error-correction equations suggest that the sensitivity of R&D investments to cash flow...

Ce chapitre présente la situation très contrastée de l’alimentation dans le monde :différents systèmes alimentaires, disparités des régimes, carences chroniques en énergie et en micronutriments, surpoids et obésité, famines et autres crises alimentaires. Il explique les principaux...