In most of the macroeconomic models, the concept of representative agent is adopted. The aggregate economy is a simple combination of a large amount of these identical agents. Individuals are thought to have no power in influencing the performance of aggregate economy, especially the prices in...

Soil-bentonite cut-off walls are widely used in landfill projects. In recent years, attapulgite has been suggested as a substitute for bentonite in cut-off wall applications by scholars due to its distinct advantages over bentonite. However, the biochemical degradation of waste in landfills...