Purpose – Information overload has led to a situation where users are swamped with too much information, resulting in difficulty sifting through material in search of relevant content. Aims to address this issue from the perspective of collaborative querying, an approach that helps users...

This paper reviews the theoretical and empirical literature on the role of financial sector development, with a view to deepening understanding of the rationale of development assistance to the financial sector of developing countries. The review leads to the following broad conclusions: (i)...

Ground level ozone remains a serious problem in the United States. Because ozone non-attainment is a summer problem, episodic rather than continuous controls of ozone precursors are possible. We evaluate the costs and effectiveness of an episodic scheme that requires people to buy permits in...

In the early 1990s, the People's Republic of China opened its urban water sector to nonstate capital to help meet increasing urban water demand under severe water resource constraints. By 2007, more than 30% of urban water utilities had attracted private sector participation (PSP). To understand...

Upstream nonpoint source pollution has become a significant threat to urban drinking water safety in the People's Republic of China. Payment for environmental services (PES) is seen as a promising mechanism to deal with the situation. In designing a sound PES, it is crucial to determine the...