Can the export of the caribbean cultural identity to the diaspora, be beneficial to caribbean islands?

You think all professors are uncoordinated, but then you see your social psychology professor make a diving catch down the left-field line at an intramural softball game against the arts department team. you also notice that your professor hits lead-off for the team and is able to score from second base on a ground-out. you maintain your original stereotype of professors as uncoordinated by deciding that this one individual is an exception to the rule because he is a “young professor.” this is an example of

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

These facilities were organized and sponsored by churches or charities during the great depression in an effort to feed the homeless and needy.