  This work applies a new approach to measure knowledge flows. Assuming that
citation linkages between articles imply a flow of knowledge from the cited to
the citing authors, we investigate the geographic flows of scientific knowledge
produced in Italy across its regions, at both overall and field level.
Furthermore, we measure the the specialization indexes for outflows and inflows
of knowledge by a given region. Findings show that larger regions in terms of
research output are more likely net exporters of new knowledge. At the same
time, we register a positive correlation between the share of intraregional
flows and the size of overall scientific output of a region.
