Includes cover page, journal info, contents page, and editorial information

Presented to USDA Economists Group, Washington DC, May 27, 2009

In addition to traditional marketing communication instruments, social media marketing has become a powerful tool of interaction with participants within supply chains. An increasing number of com-panies, especially in the US, are using social media platforms not only to market their products...

Increases in water demand due to population growth, industrial development and urbanization necessitate economically efficient use of water resources worldwide. This is particularly true in the dryland zones of the world relying on irrigated agriculture for economic development such as in...