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...

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...