The researchers say they have developed a statistical model that takes account for factors such as "motivation, personality and openness."
They say the effect of benefits dependence "is three times larger for foreign-born compared to Swedish-born. However, when the effect is distributed over time, it decreases and loses significance after three years for both groups."
Their conclusion is that the government should focus resources on connecting people with work as early soon as possible.
"Never give up? The persistence of welfare participation in Sweden" is published in The IZA Journal of European Labor Studies.