The tightness and stability of these connections can reinforce the implicit contracts that generate sharing of resources across locations. Most notably these are remittances. Despite the high level of interest in remittances, it remains to be clearly documented that these technological developments help maintain a continuous flow. There are related influences. The technologies of communication help impart knowledge of job market opportunities within and across national borders.
Migrants oscillate between origin and destination.
From various parts of the wold circulatory migration patterns have been identified. Often these circulatory movements are timed with the agricultural season. Limited evidence suggests that the movements are repeated, but not necessarily every season. This is just another way of managing the informal-formal sector issue. One marker of economic development is the improvement in financial infrastructures.