New method reveals true consumer spending habits, revolutionizing economic analysis.
The article looks at how mistakes in measuring how much people spend can affect our understanding of what they buy. The researchers came up with a new way to fix this problem using factor analysis. This method helps us get a more accurate picture of how much people really spend and how they spend it. It doesn't need extra data or repeated observations. This approach can give us a better idea of how much information on spending is distorted in surveys.