In this study we report the existence of novel ultraviolet (UV) and blue emission in rare-earth based perovskite NdGaO3 (NGO) and the systematic quench of the NGO photoluminescence (PL) by Ce doping. Study of room temperature PL was performed in both single-crystal and polycrystalline NGO (substrates and pellets) respectively. Several NGO pellets were prepared with varying Ce concentration and ...

WTO standard-setting and NGO labelling are promoted as alternative approaches to international environmental protection. This has been particularly true in the context of transboundary problems such as biodiversity protection. We develop a model with realistic features and to compare the two approaches, and observe the potential inter-play between them. In a world in which the WTO is subject to...

This paper investigates similarities and differences between abortion clients of a public-sector clinic and a non-governmental organization (NGO) clinic in Nepal. In 2010, a survey of 1,172 women was conducted in two highly-attended abortion clinics in Kathmandu-one public-sector clinic and another operated by an NGO. Data on the sociodemographic characteristics of clients, their fertility pref...

Once upon a time in the not too distant past an international NGO decided to do nature conservation in the Wasi river basin. This was [an] understandable idea. The place was the environmentalist’s dream. Lots and lots of bush filled with a multitude of flying and biting things. A diverse bunch of unwashed and scabrous savages leading traditional lives that they punctuated with stories and wars ...

Being closer to the poor, NGOs are widely believed to provide better targeted aid than state agencies. But empirical evidence is largely lacking. We contribute to closing this gap by drawing on an exceptionally detailed Swiss database that covers different forms of NGO aid and several official aid benchmarks. The differentiated Tobit estimations account for both altruistic and selfish aid motiv...

The large number of asylum seekers dying off the coast Libya has turned Southern Mediterranean Sea into a new humanitarian space, prompting 11 non-governmental organisations (NGOs) to launch maritime Search and Rescue (SAR) operations between 2014 2017. These NGOs engaged in complex web interactions, ranging from rare instances hostility, competition mistrust coordination, cooperation integrati...