His research in economic theory has involved the integration of sociological ideas into economic models and the use of statistical mechanics methods to study aggregate behavior when social influences are present.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: His research in economic theory has involved the integration of sociological ideas into economic models and the use of statistical mechanics methods to study aggregate behavior when social influences are present. ### Response: .