This paper is an institutional study of the patent systems of the United Kingdom of the Netherlands and its successor states Belgium and the Netherlands in the nineteenth century. The patent law of 1817 gave the state wide discretion to accept or refuse patents and to customise their duration,...

How did the US become a land of opportunity? We show that the country’s pioneering role in mass education was key. Unlike previous research, which has focused on father-son income correlations, we incorporate both parents in a new measure of intergenerational mobility that considers multiple...