Ravallion, M., &Lokshin, M. (2001). Identifying welfare effects from subjective questions. Economica, 68(271), 335-357.
We argue that the welfare inferences drawn from answers to subjective–qualitative survey questions are clouded by concerns over the structure of measurement errors and how latent psychological factors influence observed respondent characteristics. We propose a panel data model that allows more robust tests and we estimate the model on a high‐quality survey for Russia. We find significant income effects on an individual’s subjective economic welfare. ...