People with low income often experience higher exposures to air pollutants. We compared the exposure to particulate matter (PM1, PM2.5 and PM10), Black Carbon (BC) and ultrafine particles (PNCs; 0.02-1μm) for typical commutes by car, bus and underground from 4 London areas with different levels of income deprivation (G1 to G4, from most to least deprived). The highest BC and PM concentrations w...

In the current political and social climate, with its call for self-reliance as the means by which families and individuals should support themselves, the official U.S. poverty indicator may be measuring the size of a population that is of less interest to policymakers than in past years. We present here an alternative measure of poverty for the United States population that is based on a famil...

The economic pie has seen growth, despite the recessions of the past decade, and has resulted in an increase in the total income level. At the same time, increasing national healthcare spending due to the high costs of medical research and development paired with a growing and aging population has become prevalent in most nations. Healthcare costs (HCs) are a significant factor that influences ...

This paper offers an empirical analysis of the relationship between income sharing rules and heterogeneity in medical group practices. The economies to group formation associated with risksharing, mutual monitoring, and internal referral are served by sharing at least a portion of group income equally. Sharing group income equally is problematic, however, when group members differ in their cont...

Have tax policies affected entrepreneurial activity in the U.S.? We extend the time series literature on this topic by using more recent data and modern econometric techniques to examine the importance of federal income, payroll, capital gains, corporate income, and estate taxes on self-employment rates. Regression results show that most of these taxes have significant but small effects on self...

The Shark Reef Marine Reserve in Fiji is an ecotourism project designed to protect a small reef patch and its fauna while preserving the livelihood of local communities. It involves the local communities by using a participatory business planning approach to Marine Protected Area management, generating income through diver user fees, distributed to the local villages that have exchanged their t...

SGS is a compact sentence generation system. Inputs are the frames and specifications of a sentence. Programs attached to context free rules carry out the generation task. Output is a surface sentence with an associated derivation tree. suitable laws for a computer from lingistic phenomena. Therefore, this paper first describes the overall organization of SGS, secondly explains the linguistic s...

Conventional analysis of public goods provision aggregates individual wiltitigne.ss to pay while treatitig income as exogenous, ignoring the fact that we generate income to allow us to purclia.se utility-generating goods. We explore the implicatiotis of endogenizing the lahorlleisure decision hy explicitly considering leisure detnami in a model of public goods provision. We consider benefit ana...

"Using data from the 1990 [U.S.] Panel Study of Income Dynamics Latino Sample, this study examines three competing hypotheses for understanding extended family living among Mexican, Puerto Rican and Cuban immigrants. The findings indicate no significant relationship between living with extended kin and cultural indicators--such as English fluency--or economic factors--such as employment and inc...

Using transnational terrorism data from 1980 to 2000, this study empirically examines the relationships between frequency of participation in transnational terrorism acts and economic development and education improvement. We find an inverse U-shaped association between the frequency of various nationals acting as perpetrators in transnational terrorism acts and per capita income in their respe...