For a cross-section of 123 European regions, we find evidence for a positive effect of generalized trust on regional innovation activity. We aim to identify causal effects by using instrumental variables from climate and soil data, drawing from recent literature on the effects of climate on...

For a cross-section of 123 European regions, a positive causal effect of generalised trust on innovation activity is identified using a set of geographic instrumental variables from climate and soil data. The geographic instrumental variables are defined and discussed. The popular explanation...