Replaced with revised version of paper 07/07/11.

Changes in agricultural population can significantly influence the progress of mechanization, which provides efficient momentum to the further development of agriculture. We examine the effect of the declining agricultural population on mechanization and determine the variables that have...

This study alerts researchers and policy makers to the importance of the price effect of bottle size in an economic evaluation of using bottled water as a means to avoid health risks from drinking home tap water. It derived a proxy for the economic value of smaller bottle size by analysing a...

The potential impacts of investing in drought tolerant maize (DTM) in 13 countries of eastern, southern and western Africa were analyzed through an innovative economic surplus analysis framework, to identify where greatest economic returns and poverty reduction may be achieved. Assuming a...