Introduction -- Developing the appropriate modeling framework for quantitative policy analysis of the food-energy-water nexus -- Leveling the field for biofuels: comparing the economic and environmental impacts of biofuel and other export crops in Malawi -- Evaluating irrigation investments in...

The majority of COVID-19 vaccines currently available are typically administered in two doses, with a prescribed number of weeks separating the two doses. Because of uncertainty in vaccine supply, many vaccination managers have saved doses in inventory to ensure on-time second doses. However,...