The Economic Impact of Social Ties: Evidence from German Reunification

Konrad Burchardi () and Tarek Hassan

No 17186, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: We use the fall of the Berlin Wall in 1989 to show that personal relationships which individuals maintain for non-economic reasons can be an important determinant of regional economic growth. We show that West German households who have social ties to East Germany in 1989 experience a persistent rise in their personal incomes after the fall of the Berlin Wall. Moreover, the presence of these households significantly affects economic performance at the regional level: it increases the returns to entrepreneurial activity, the share of households who become entrepreneurs, and the likelihood that firms based within a given West German region invest in East Germany. As a result, West German regions which (for idiosyncratic reasons) have a high concentration of households with social ties to the East exhibit substantially higher growth in income per capita in the early 1990s. A one standard deviation rise in the share of households with social ties to East Germany in 1989 is associated with a 4.6 percentage point rise in income per capita over six years. We interpret our findings as evidence of a causal link between social ties and regional economic development.

JEL-codes: L14 O1 O11 O43 O52 (search for similar items in EconPapers)
Date: 2011-06
Note: CF ITI EFG LS
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Citations: View citations in EconPapers (8)

Published as Konrad B. Burchardi & Tarek A. Hassan, 2013. "The Economic Impact of Social Ties: Evidence from German Reunification," The Quarterly Journal of Economics, Oxford University Press, vol. 128(3), pages 1219-1271.

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Journal Article: The Economic Impact of Social Ties: Evidence from German Reunification (2013)
Working Paper: The Economic Impact of Social Ties: Evidence from German Reunification (2011)
Working Paper: The Economic Impact of Social Ties: Evidence from German Reunification (2011)
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