What they said ...........
C demographic information is used widely in advertising
The First Europeans. The first Europeans to arrive in North America -- at least the first for whom there is solid evidence -- were Norse, traveling west from Greenland, where Erik the Red had founded a settlement around the year 985.
Answer:
The costs of passing a bill that prohibits child labor is precisely that all the labor that children could have provided for the economy is forgone. So in pure economic terms, there is a loss of value, a sunk cost.
However, the benefit is both economic, and social. The economic benefit is that children will instead go to school, and educate themselves to become more productive workers in the future. And the social benefit is a fairer society, and wealthier too.