In the photo, two Kenyan refugees tilling their land at Kiryandongo refugee camp
When the Ugandan government gave plots of land to refugees, up to Ushs 748000 ($220) was generated annually per plot for the local economy, a study by the World Food Programme and the University of California, Davis, has found.
Money went back to Ugandan households when refugees bought food and other items from them, said the lead researcher Prof Edward Taylor.
In comparison, Each household that received cash added $1,100 to the local economy annually and food aid recipients added $850.
Uganda is currently host to close to 800,000 refugees from neighbouring countries. About 50% are South Sudanese and 33% are from the Democratic Republic of Congo.
Some 1503 households and 385 businesses were surveyed.
@Patience Atuhaire/BBC