Based on the survey data of 150 peasant households in typical Karst mountainous area in the year 2009, causations, characteristics and influence factors of the concurrent-business behavior of peasant households during planting structure adjustment are analyzed. Result shows that there is...

The two most influential models in delay discounting research have been the exponential (E) and hyperbolic (H) models. We develop a new methodology to design binary choice questions such that exponential and hyperbolic discount rates can be purposefully manipulated to make their rate parameters...

Exhaust particle numbers from a light-duty vehicle diesel engine for transient-state operating conditions were studied. The test fuels were petroleum diesel, pure Jatropha biodiesel (B100), 20% and 50% biodiesel blends with diesel fuel (B20 and B50). The results show that the number of...