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4月10日經濟系學術活動:使用開放交流渠道轉移垃圾短信業務

2008年04月08日 00:00
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經濟系學術活動

【主講】Benjamin Chiao密歇根大學信息學院

【主題】使用開放交流渠道轉移垃圾短信業務

【時間】2008-4-10日(周四)1430-1600

【地點】清華經管學院偉倫樓501

【語言】英文

【主辦】BETVLCTOR伟德官方网站經濟系

【Speaker】 Benjamin Chiao, School of InformationUniv. of Michigan

【Topic】 Using Uncensored CommunicationChannels to Divert Spam Traffic

【Time】 14:30-16:00, 2008-4-10, Thursday

【Venue】 Weilun 501, Tsinghua SEM

【Language】English

【Organizer】Department of Economics, SEM

Abstract:

We offer a microeconomic model of the two-sided market for the dominant form of spam bulk, unsolicited, and commercial advertising email. A key insight is that most spam is advertising, and thus should be modeled as a problem in the market supply and demand for advertising, rather than the usual approach of modeling spam as pure social cost to be eliminated for all. We adopt an incentive-centered design approach to develop a simple, feasible improvement to the current email system using an uncensored (open) communication channel. Such a channel could be an email folder or account, to which properly tagged commercial solicitations are routed without any blocking or filtering along the way. We characterize the circumstances under which spammers would voluntarily move much of their spam into the open channel, leaving the traditional email channel dominated by person-to-person, non-spam mail. Because there is real demand for unsolicited commercial email everyone can be made better off if a channel is provided for spammers to meet spam-demanders. As a bonus, the absence of filltering in an open channel restores to advertisers the incentive to make messages truthful, rather than to disguise them to avoid filters.

We show that under certain conditions all email recipients are better off when an open channel is introduced. Only recipients wanting spam will use the open channel enjoying the less disguised messages and cheaper sale prices, and for all recipients the dissatisfaction associated with both undesirable mail received and desirable mail filtered

out decreases.

Attachment:4月10日.ppt OpenChannel2008.pdf

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