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The B.E. Journal of Economic Analysis & Policy

Editor-in-Chief: Jürges, Hendrik / Ludwig, Sandra

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An Economic Response to Unsolicited Communication

Theodore Loder1 / Marshall Van Alstyne2 / Rick Wash3

1University of Michigan,

2Boston University & MIT,

3University of Michigan,

Citation Information: Advances in Economic Analysis & Policy. Volume 6, Issue 1, ISSN (Online) 1538-0637, DOI: 10.2202/1538-0637.1322, March 2006

Publication History

Published Online:
2006-03-04

This article offers supplementary material which is provided at the end of the article.

Abstract

If communication involves some transactions cost to both sender and recipient, what policy ensures that correct messages -- those with positive social surplus –- get sent? Filters block messages that harm recipients but benefit senders by more than transactions costs. Taxes can block positive value messages, and allow harmful messages through. In contrast, we propose an ``Attention Bond,'' allowing recipients to define a price that senders must risk to deliver the initial message.The underlying problem is first-contact information asymmetry with negative externalities. Uninformed senders waste recipient attention through message pollution. Requiring attention bonds creates an attention market, effectively applying the Coase Theorem to price this scarce resource. In this market, screening mechanisms shift the burden of message classification from recipients to senders, who know message content. Price signals can also facilitate decentralized two-sided matching. In certain limited cases, this leads to greater welfare than use of even ``perfect'' filters.

Keywords: call externalities; Coase Theorem; spam; filter; information asymmetry; UCE; email communication; advertising; screening; signaling

Supplementary Article Materials

Citing Articles

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[1]
Benjamin Chiao and Jeffrey MacKie-Mason
Information Economics and Policy, 2012, Volume 24, Number 3-4, Page 173
[2]
Oleg V. Pavlov, Robert K. Plice, and Nigel P. Melville
System Dynamics Review, 2008, Volume 24, Number 3, Page 377
[3]
B. Curtis Eaton, Ian A. MacDonald, and Laura Meriluoto
Canadian Journal of Economics/Revue canadienne d'économique, 2013, Volume 46, Number 3, Page 881
[4]
Simon P. Anderson and André de Palma
The RAND Journal of Economics, 2009, Volume 40, Number 4, Page 688

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