He has also conducted research on political economy, microeconomic theory, economic dynamics, macroeconomics and models of bounded rationality.

He measured brain activity of participants who conducted private and social decision making, through functional MRI.

[7] In 2020, Rustichini conducted a study to investigate the contribution of cognitive and non-cognitive skills to intergenerational social mobility and found that genetic factors, along with the cognitive and non-cognitive skills influenced the re-ordering of social standing that takes place across generations.

In the analysis of strategic behavior, his research has established that the probability of cooperation in repeated non-zero-sum games increases with the average intelligence of the group.

According to his research, intelligence operates through the effectiveness of working memory; cooperation in turn is the outcome more of cognitive ability than social preferences.

[13] He also presented a field study which contradicted the hypothesis according to which, the occurrence of the behavior subject to the fine is reduced with an introduction of a penalty that leaves everything else unchanged.