. . . [T]he negative shock on remittance receipts [due to the financial crises] caused a significant increase in child labor and a significant reduction of school attendance.
This is the abstract in the Journal of Development Economics (2012). See a 2010 draft of the paper. The paper is by Alcaraz, Chiquiar, and Salcedo.
The effect of remittances on the labor supply is discussed in this paper by Kim (2007).