The European Marriage Pattern (EMP), in place in NW Europe for perhaps 500 years, substantially limited fertility. But how could such limitation persist when some individuals who deviated from the EMP norm had more children? If their children inherited their deviant behaviors, their descendants...

The successful assimilation of ethnic minorities into Western economies is one of the biggest challenges facing the Modern World. The substantial flows of Irish, to England, provide an historical example of this process. However, this has received surprisingly little scholarly attention. We use...