TY - JOUR AU - Olea Hernández, Héctor A. PY - 1990/01/01 Y2 - 2024/03/28 TI - The participation of Mexican undocumented immigrants in the United States: A Tobit model of simultaneous equations JF - Estudios Económicos de El Colegio de México JA - EE VL - 5 IS - 1 SE - Articles DO - 10.24201/ee.v5i1.332 UR - https://estudioseconomicos.colmex.mx/index.php/economicos/article/view/332 SP - 83-123 AB - <p>Not available.</p> ER -