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Yamamura, E. (2011). Groups and information disclosure: Evidence on the Olson and Putnam Hypotheses in Japan. International Journal of Social Economics, forthcoming

There is controversy between Putnam and Olson concerning the role of group. Putnam argued that small group makes a contribution to economic growth whereas Olson asserted that small group hampers the economic growth through rent-seeking behavior. Since the end of the 1990s in Japan, there has been a remarkable rise in the rate of enactment of public information-disclosure ordinances by local governments. This paper uses the panel data of Japan to compare the effects of Putnam-type horizontally structured groups and Olson-type vertically structured groups on government information disclosures. The Arellano-Bond type dynamic panel model is employed to control for unobserved fixed effects and endogeneity bias. The major findings are as follows: (1) the Putnam-type group has a positive influence on information disclosure; (2) the Olson-type group has a detrimental effect on information disclosure. These support not only Putnam hypothesis but also Olson Hypothesis. The characteristics of groups should be considered carefully when the influence of group is examined.


Yamamura, Eiji

Eiji Yamamura is Professor of Economics at the Department of Economics of the Seinan Gaikun University. His main research interests are Socio-economics, Industrial Economics, Sports Economics. Contact details Position: Professor, Seinan Gakuin University. Office address: 6-2-92 Nishijin Sawara-ku...

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