This articles traces a little-known French tradition in spatial economics that was advanced by state engineers who were trained at the Ecole des Ponts et Chaussées and worked for the State Corps engineers. Spurred in part by changes in power technology, especially the advent of the railroad,...

Galileo Galilei encountered and resolved the paradox of exchange value in a key methodological passage in his famous book on astronomy. Although his brush with this idea could not be termed ‘theoretical’ or ‘economic’ in any conventional sense, he understood that real price changes were...