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Summary We analyze economic life in three Congolese refugee camps in Rwanda and the interactions between refugees and local host-country economies within a 10-km radius around each camp. Refugees in one of the three camps received food aid in kind, while in the other two camps they were given cash via cell phones provided by the UN World Food Programme. We find that refugee economies arise inside each camp, and the structure of these economies reflects the economic context around the camps. Despite undergoing forced migration and often living in destitute conditions, refugees actively interact with host country economies. Interactions with the host country result in a divergence of refugee households’ income from the assistance they receive. A shift from in-kind to cash aid appears to increase refugee welfare while strengthening market linkages between camp and host economies. This finding is potentially important for refugee policies as well as for other types of development assistance, as donors find themselves under pressure to shift from in-kind to cash aid.

In 2015, the United Nations High Commission for Refugees accommodated over 15 million refugees, mostly in refugee camps in developing countries. The World Food Program provided these refugees with food aid, in cash or in kind. Refugees' impacts on host countries are controversial and little understood. This unique study analyzes the economic impacts of refugees on host-country economies within a 10-km radius of three Congolese refugee camps in Rwanda. Simulations using Monte Carlo methods reveal that cash aid to refugees creates significant positive income spillovers to host-country businesses and households. An additional adult refugee receiving cash aid increases annual real income in the local economy by $205 to $253, significantly more than the $120-$126 in aid each refugee receives. Trade between the local economy and the rest of Rwanda increases by $49 to $55. The impacts are lower for in-kind food aid, a finding relevant to development aid generally.