A widespread current policy concern is whether the international integration of product markets forces together wages across countries. To help gain an insight into this issue, this paper analyses the case of the US antebellum transportation revolution. Between 1820 and 1860 an extensive...

This paper explores the role of knowledge flows and TFP growth by using direct survey data on knowledge flows linked to firm-level TFP growth data. Our knowledge flow data correspond to the kind of information flows often argued, especially by policy-makers, as important, such as within the...