economic exchange on the other. In order to stimulate comparison across the boundaries of modern periodization, this book ends with demography and climate change in early-modern and modern Italy, a society whose empirical data allows the kind of statistical analysis that is impossible for ancient societies. The book highlights the role of human agency, and the complex interactions between the natural environment and the socio-cultural, political, demographic, and economic infrastructure of any given society. It is intended for a wide audience of scholars and students in ancient economic history, specifically Rome and Late Antiquity.