The aim of our paper is to study some aspects of the textile industry of the city of Segovia and its land in the second half of the 16th century, interpreting them through spatial economy theories and specifically the industrial district approach. It is about seeing the competitive advantages of the integration and diffusion of the business organization in its geographical framework. The district's competitive advantages are linked to both transaction and production costs. One of them is to maximize the benefits of labor market segmentation with the emergence of a primary market for skilled labor. Another is the ease of diffusion of both technology and organizational and commercial techniques.

This paper analyses economic interaction in Castilla del Oro (Panama) at the beginning of the 16th century. By applying network analysis to fiscal records, the paper reconstructs, represents and tests business networks in the mining sector and how they became more complex with the arrival of emigrants and the appearance of new gold deposits. Results show a dynamic population with a high mobility degree despite the adverse geography and the inexistent communications.

On the basis of a new quantitative data set which is varied, accurate and representative, today it is possible to correct previous shortcomings in order to obtain a solid historical picture of the Atlantic trade passing through the port of Bilbao in the mid-sixteenth century. In this paper we aim to explore both the macroeconomic and microeconomic aspects of Spanish-French trade, analysing, on the one hand, the volume, composition and «balance of trade» and, on the other, the scope and nature of trading enterprises of merchants operating in Bilbao, measurable by the size of their business, the concentration of trade and the amount of business carried out by traders on their own account, in association with other merchants or on behalf of these. We also highlight, once again, the enormous value of judicial sources in the study of trade in the Modern Age.