The vehicle for that has been education. But also the availability of clerical and secretary jobs all over the British colonial empire. Subsequently, Goan migrant women in the West have gone into higher education in large numbers. There was always an incipient trend towards the professionalisation of the Goan community. I think it's the availability of education.
Many migrants go overseas and invest in land.
In the Goan case, there's less investment in land. But there's more of the investment of remittances into the education of children. This helped emigrants, over generations, take to professional jobs in greater numbers. Partly, because children being educated, they feel they don't have the same economic opportunities for professional development. More so when compared to the West.