Using ARIMA models and entropy, the dynamic evolution of several functions of aggregate income and other attributes of well-being is analysed for statistical 'similarity' in order to determine potentially distinct dimensions in multidimensional analysis of welfare and quality of life in the USA....

Understanding trends in environmental quality is important for individuals and policymakers. Typically, trends in environmental quality are determined solely through comparisons of unconditional or conditional mean pollution levels. However, reaching unambiguous conclusions on the basis of only...