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Output per worker varies enormously across countries. Why? On an accounting basis our analysis shows that differences in physical capital and educational attainment can only partially explain the vari...
This thesis would not have been possibl e without the support of many people. I would like to sincerely thank Professor Julie A. Caswell who not only served as my advisor but also challenged and ...
Organics have progressively become a more popular topic of discussion among growers, handlers, retailers, consumers and researchers since the early 1970s as consumers become more conscientious about t...
The aim of this study was to determine the energy efficiency indices in the agro-ecosystems of the Guilan province in 2010. One hundred and twenty-seven farmers were interviewed using a particularly d...

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