Costs and Benefits of Land Fragmentation: Evidence from Rwanda

Clinical Governance: Costs and Benefits

Environmental and Gender Impacts of Land Tenure Regularization in Africa Pilot evidence from Rwanda

Although recent developments greatly increased interest in African land tenure, few models to address these issues at the required scale have been identified or evaluated. Rwanda’s nation-wide land tenure regularization programme is of great interest. A discontinuity design with spatial fixed effects that is used to evaluate the pilot for this programme points to three main effects; namely, (i)...

Analyzing the Economic Costs of Land Degradation and the Benefits of Sustainable Land Management

provides guidance on the application of environmental economics, and specifically the analysis and valuation of ecosystem services, to analyze the costs of land degradation and the benefits of sustainable land management. The Toolkit is intended to assist technicians and decision makers in their analysis of land degradation and land management policy options. The Toolkit has been prepared in pa...

synthesis of sulfides from alcohols and thiols in solvent-freeconditions and deoxygenation of sulfoxides

کاتالیست یک سنتز جدید برای تیواترها توصیف شده است. واکنش الکل ها با آریل، هتروآریل و آلکیل تیو ل ها درحضور 1،3،5- تری آزو- 2،4،6- تری فسفرین-2،2،4،4،6،6 هگزاکلراید ((tapc به عنوان یک کاتالیست موُثر، بازده های خوب تا عالی از تیواترها را حاصل می کند. علاوه براین، واکنش تحت شرایط بدون فلز و بدون حلال پیش می رود، بنابراین یک مکمل جالب برای روش های شناخته شده سنتز تیواترها ارائه می دهد. یک مکانیسم ا...

Costs and benefits of influenza vaccination: more evidence, same challenges

Seasonal influenza vaccination coverage in most EU/EEA remains suboptimal. Providers' and users' confidence in influenza vaccines is undermined by reports of moderate to low vaccine effectiveness and by the lack of solid evidence on disease burden. A study from Preaud and co. indicates that even with current levels of vaccine effectiveness, increasing vaccination coverage would significantly re...