We study the relation between households' stock purchases and stock purchases made by their neighbors. A ten percentage point increase in neighbors' purchases of stocks from an industry is associated with a two percentage point increase in households' own purchases of stocks from that industry....

What impact does immigration have on neighborhood dynamics? Within metropolitan areas, we find that housing values have grown relatively more slowly in neighborhoods of immigrant settlement. We propose three nonexclusive explanations: changes in housing quality, reverse causality, or the...