Burchardi, Konrad B.; Hassan, Tarek A. - 2011
to East Germany in 1989 experience a persistent rise in their personal incomes after the fall of the Berlin Wall … within a given West German region invest in East Germany. As a result, West German regions which (for idiosyncratic reasons … capita in the early 1990s. A one standard deviation rise in the share of households with social ties to East Germany in 1989 …