We develop an extended Nominal Rate of Assistance (NRA) methodology to disentangle the welfare impacts of policies for various interest groups along the value chain (to disaggregate effects within the “producer” and “consumer” umbrellas). We apply our value chain NRA methodology to the...

Studies of the relationship of nutrition and economic development have hitherto largely focused on the question how the state of nutrition has changed in consequence of economic developments. The analysis concentrated on the "passive role of nutrition". In the following article the question is...

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...