The following dissertation is a collection of four stand-alone research papers. The focus of my research is on the interplay of immigration, native human-capital investment and the resulting consequences for the labour market outcome of natives and necessary implications for the immigration...

Migration of people from one country to another and their integration into the society of the destination country constitute a long and complex process. This process begins with the first plan of a person to leave her home country. It does not end until the immigrant stops assimilating and...