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Analysis of Do-Not-Spam Registry

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Author Info
Eran Reshef
Eilon Solan

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Abstract

We study how the launching of a do-not-spam registry will affect the internet’s efficiency. We show that as long as the cost of sending spam messages is not high, having rich users (who have high-quality filters) join the registry has the desirable effect of lowering the number of spam messages sent to each user, while having poor users (who have low-quality filters) join the registry has the opposite undesirable effect. We also show that the registry improves the total efficiency of the internet - as long as the cost of sending spam messages is not high; as more users join, the total number of spam messages sent to all users decreases.

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File URL: http://www.kellogg.northwestern.edu/research/math/papers/1411.pdf
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Paper provided by Northwestern University, Center for Mathematical Studies in Economics and Management Science in its series Discussion Papers with number 1411.

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Date of creation: Aug 2005
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Handle: RePEc:nwu:cmsems:1411

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  1. Eilon Solan & Eran Reshef, 2005. "The Effect of Filters on Spam Mail," Discussion Papers 1402, Northwestern University, Center for Mathematical Studies in Economics and Management Science. [Downloadable!]
  2. Van Zandt, Timothy, 2001. "Information Overload in a Network of Targeted Communication," CEPR Discussion Papers 2836, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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