In mexico, javier was a physician. javier emigrated to the united states and ended up working as a carpenter (which had been his hobby in mexico). javier experienced mobility. downward social upward social intergenerational exchange

Javier experienced downward social mobility. There are two main kinds of social judgement the upward comparison which is when people relate themselves to people who are better than they are and the downward comparison which is when people relate themselves to those who are not as much of capable than they are. Both upward and downward comparisons have strong point and flaws.

It might be the second one