Native seed needs to be sourced locally yet contain ample genetic variation. A blueprint is developed for assembling and assessing native plant material at one eco-geographical site prior to seed multiplication for restoring degraded drylands of North Africa. To satisfy the 'local yet ample'...

In cultural consumption it is quite reasonable to expect that the formation and theevolution of preferences, and the related individual choice behaviour, is affected byvarious interactions within families, peer and other social groups. Our investigationfocuses on a specific form of...

In this paper, we test for linear and nonlinear Granger causality between the French, German, Japanese, UK and US daily stock index returns from 1973 to 2003. We find a strong contemporaneous linear dependence between European countries and a directional linear dependence from the US towards the...

Patent filings worldwide have been subject to a combined growth in terms of the number of applications filed and their size. This is putting patent systems under tremendous pressure, as witnessed by the evolution of backlogs at several patent offices. The present article presents an analysis of...

This article examines how professional female tennis players react to (a) prize incentives and (b) heterogeneity in ex ante players' abilities. It is found that a larger prize spread encourages women to increase effort, even when controlling for many tournament and player characteristics....

Using a panel of countries over 1990–2000, this paper examines the extent to which different dimensions of the institutional framework affect total exports, exports of manufactured goods, and exports of nonmanufactured goods. It is observed that exports of manufactured goods are positively...