This paper investigates the creation and integration of Artificial Intelligence (AI) patents in Europe. We create a panel of AI patents over time, mapping them into regions at the NUTS2 level. We then proceed by examining how AI is integrated into the knowledge space of each region. In...

To rationalize a substantial income share of labor despite progressive task automation over the centuries, we present a simple model in which demand moves along a vertically differentiated production structure toward goods of increasing sophistication. Automation of more sophisticated goods...

We measure technological progress in oceanic shipping directly by using a large database of daily log entries from ships of the British and Dutch East India Companies and Navies to estimate daily sailing speed in different wind conditions from 1750 to 1850. Against the consensus among economic...

Against the consensus that sailing ship technology was stagnant during the early Industrial Revolution,we find striking improvements in safety at sea. Between 1760 and 1825, the risk of being wrecked for Atlantic shipping fell by one third, and of foundering by two thirds, reflecting...