I do not have any hard numbers on this information, although my general understanding is that social mobility has decreased lately. Unfortunately, that may be

I do not have any hard numbers on this information, although my general understanding is that social mobility has decreased lately. Unfortunately, that may be due to a number of reasons. Excluded from this conversation (luck vs. merit) is nepotism, for example, which is neither. I am suspicious that this is not unintentional.