This thesis consists of three stand-alone but related empirical studies. Each of them explores how the presence or the arrival of immigrants to a country affects the non-labour market outcomes of residents in that country. The first study (Chapter 2) investigates whether immigration shocks have a causal effect on native fertility patterns. It uses a natural experiment, exploiting the large, unexpected and localised immigration of Cuban nationals to the Miami area in the United States in 1980 in order to examine the fertility consequences for Miami women. Using synthetic control estimators and an extended individual difference-in-differences analysis, the results suggest that low-skilled immigration shocks have a short-term negative impa...