Widespread hunger and malnutrition persist today despite considerable growth in per capita food availability. This has prompted an evolving conceptualization of food security and of mechanisms to attain and maintain food security. This chapter discusses both food security and food assistance...

Using a high-frequency mobile phone survey of food security conducted by the World Food Programme, this paper investigates how food assistance and access to food changed following the announcement of famine-like conditions in the Republic of Yemen. Among the mobile phone-using population, the...

The Republic of Yemen has undergone a profound transformation following the escalation of conflict in March 2015. There has been an increase in violence, a disruption in supply chains due to a tightening of the ports, and a decline in the general economic climate that has left a large share of...