One of the classical questions of political economy, going back at least to Marx and Weber, is how culture and economy interact. Different aspects of culture have been studied in terms of how they affect economic development and are in turn affected by the economic situation and development....

When testing hypotheses, problems of omitted variables / confounding variables arise, understood as variables, which determine both, the variable seen as dependent and the variables seen as independent, resulting in spurious correlations among both. Experimental approaches counter this problem...