| Comparative Wealth Index Methodology Question [message #9920] |
Mon, 06 June 2016 12:31  |
akmiller
Messages: 3
Registered: June 2016
Location: Washington, D.C.
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Hello,
My colleagues and I are trying to replicate the CWI methodology described in this publication: http://www.dhsprogram.com/pubs/pdf/MR9/MR9.pdf and we were wondering if someone could explain rational behind using a logistical regression to determine asset cut-points as described on page 9. This method works great when asset ownership is relatively low, but seems to produces unrealistic cut-points in surveys where the vast majority of the population owns the asset (e.g., if 98% of the sample owns a TV, the wealth associated with a theoretical sample where only 50% own a TV results in a cut-point below the mean wealth for the whole sample). Could one determine asset cut-points by taking the mean wealth of respondents that own the asset, similar to the methodology used to calculate the cut-points at different levels of unmet basic needs?
Thank you for your time,
-Alex Miller
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