Human alteration of the nitrogen cycle has resulted in steadily accumulating nitrate in our
water resources. The US maximum contaminant level and World Health Organization …

… Predictor variables in the models included N fertilizer and manure, agricultural or forested
land use, soils, and, in Nolan and Hitt [40], water-use practices and major geology. Nolan and …

In December 2001, the Laeken European Council adopted a set of commonly agreed and
defined indicators for social inclusion. These should play a central role in monitoring the …

Social indicators are an important tool for evaluating a country's level of social development
and for assessing the impact of policy. Such indicators are already in use in investigating …

Poverty is a notoriously ill-defined term, both in common usage and in academic application.
Empirical research on poverty has to deal first of all with the ambiguities and confusions …

… These experiments were repeated on three separate preparations, and quantitative results
for the various components are shown in panels (B) and (C). (B) EPSP amplitude plotted as a …

This paper presents a comparison of horizontal equity in health care utilization in 10 European
countries and the US. It does not only extend previous work by using more recent data …

This paper presents further international comparisons of progressivity of health care financing
systems. The paper builds on the work of Wagstaff et al. [Wagstaff, A., van Doorslaer E., et …

… Nolan and Ruddy ( 15) compiled data for soil hydrologic … The goal of the current study was
to improve the accuracy of Nolan … b Population density is assumed to indicate nonagricultural …

At the March 2000 European Council in Lisbon, the EU committed to taking steps “to make a
decisive impact on the eradication of poverty”. At their 2005 Spring Summit in Brussels, EU …