Renewable Portfolio Standards (RPS) are U.S. state mandates that utilities produce some of their electricity using renewable energy sources in an effort to reduce greenhouse gas emissions. While advocates highlight the potential long-term benefits of RPS, critics argue that RPS will increase...

Using the 3-year sample of the American Community Survey (ACS) for 2009 to 2011, we compute public school teacher salaries for comparison across U.S. states. Teacher salaries are adjusted for state differences in teacher characteristics, cost of living, household amenity attractiveness and...

Using a spatial hedonic growth model, this paper empirically examines the relative roles of natural amenities and urban agglomeration economies as determinants of U.S. regional growth patterns from 2000 to 2010. Natural amenities and urban agglomeration are measured using the USDA Economic...

The likelihood and amount of money transferred back and forth between parents and their adult children in the United States in 1988 are examined in this study. Using the 1989 Survey of Consumer Finances, conducted for the Federal Reserve Bank, this study finds that 13 percent of families made...

Lot streaming is the process of splitting a production lot into sublots, and then, scheduling the sublots in an overlapping fashion on the machines. In this paper, we present a polynomial-time procedure for determining the number of sublots of a single-lot, multiple-machine flow shop...

To rationally allocate farmland resources, and scientifically make farming industrial planning, we take Yizheng City in Jiangsu Province as the research object, and select 13 indicators. Based on Farmland Resources Management Information System in Yizheng City, we establish AHP model, and...

To obtain the cathode microporous layer (CML) with high mass transfer performance and high electronic conductivity, a pore-forming technology was introduced to optimize CML microstructure for direct methanol fuel cells. In this paper, the effects of carbon material type, carbon material loading...

Severe situation faced by China's agri-ecological security is elaborated. It is believed that cultivation of farmers' citizenship is the key to solving this problem, because it is favorable to consolidating farmers' independent and equal ideas, enhancing farmers' cooperative community idea,...

Increased population pressure and political decisions have led to more intensive agricultural practices in China. As in other regions of the world, these practices can damage natural capital We use the Kalman filter and Chinese panel data to estimate an index of environmental productivity...