Through an analysis of the eighteenth-century debate about luxury, Wahnbaeck traces the shaping of a new language of political economy. By charting not only the development of political economy in Italy, but the methods of transmission of the ideas at the heart of this debate, the author argues that the focus on economic thought is characteristic of the Italian enlightenment at large. Ultimately, these methods were responsible for the development of very distinct 'cultures of enlightenment' across the Italian peninsula.