This paper evaluates causal impacts of a large-scale agricultural extension program for smallholder women farmers on food security in Uganda through a regression discontinuity design that exploits an arbitrary distance-to-branch threshold for village program eligibility. We find eligible farmers...

At the present moment in history, humanity is faced with several major challenges, one of them being that of feeding an increasingly populous and urbanised planet. The challenge is even greater as it becomes clearer that it is not just a matter of producing enough fibres and primary products...

In this study, an integrated system dynamics model was developed for scenario analysis in sub-sectors of the Kheirabad River Basin in southwestern Iran where managing water resources is seriously challenging due to population growth and periodic drought. Afterward, the variability of water...