Unfortunately, the Journal of Peace Research has published the badly flawed "Main Street Bias" paper. My earlier criticisms still apply, so I'm reposting them. Consider this the first draft of a reply to their paper.
The authors argue that main street bias could reasonably produce a factor of 3 difference.
How did they get such a big number? Well, they made a simple model in which the bias depends on four numbers:
q, how much more deadly the areas near main street that were sampled are than the other areas that allegedly were not sampled. They speculate that this number might be 5 (ie…
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