This paper develops a lean-against-the-wind rule for setting low-skill immigration quota. The construction of this rule takes into account the factors governing the supply of and demand for low-skill immigrants, illegal immigration, border enforcement and the host-country's level of unemployment.

High-skill immigrants form networks that facilitate subsequent low-skill immigration. To minimize the effects of low-skill immigration on unemployment, a strict lean-against-the-wind strategy or a flexible lean-against-the-wind strategy that is supported by, and takes into account the effect of,...