We investigate the relationship between interest group activity and investment by analyzing an unbalanced panel of observations on 126 countries over three time periods. We find that the number of interest groups in a nation is negatively related to investment, consistent with a sclerotic effect...

This paper explores the relationship between special-interest groups and volatility of GDP growth. In an unbalanced panel of 108 countries, we find a significant negative relationship between the number of interest groups in a country and the volatility of GDP growth

It is widely recognized that interest groups affect both microeconomic and macroeconomic outcomes. However, few researchers have attempted to empirically discern the factors that contribute to interest group activity. This paper provides a test of several theories of group formation in a panel...

We investigate the relationship between interest group activity and investment by analyzing an unbalanced panel of observations on 126 countries over three time periods. We find that the number of interest groups in a nation is negatively related to investment, consistent with a sclerotic effect...