Okamoto 2008a), and they constitute the floating population.
Second, there is not much change in their occupation before and after the move. For example, agricultural seasonal labourers tend to also engage in seasonal labour in the new place. Furthermore, the destination area was mostly confined to within the same township in which they used to live.In other words, the migrants' reason for moving is not necessarily to gain a larger income under a completely different economic environment. In this sense, the move cannot contribute much to increasing the total household income. What is more important here is stability of livelihood, or the minimization of household income fluctuation throughout the year.