Financial Cryptography and Data Security: 13th International by Debin Liu, XiaoFeng Wang, L. Jean Camp (auth.), Roger

By Debin Liu, XiaoFeng Wang, L. Jean Camp (auth.), Roger Dingledine, Philippe Golle (eds.)

This ebook constitutes the completely refereed post-conference lawsuits of the thirteenth overseas convention on monetary Cryptography and information defense, FC 2009, held in Accra seashore, Barbados, in February 2009.

The 20 revised complete papers and 1 revised brief papers provided including 1 panel file and 1 keynote handle have been conscientiously reviewed and chosen from ninety one submissions. The papers are prepared in topical sections on economics of knowledge safeguard, anonymity and privateness, inner most computation, authentication and identity, fraud detection and auctions.

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Example text

However, the exponential distribution is a particularly natural choice due to its uniform hazard rate: The exponential distribution implies that, in each period, a principal catches a constant proportion of those rogue agents not yet revealed to be rogue. By implication, an agent can serve – and a rogue agent can defraud – many principals simultaneously. That is, accepting a relationship with one principal does not require an agent to forego relationships with others. So an agent will accept any relationship that offers positive profit.

Consider LinkShare’s 2007 move to pay affiliates as often as once per week [11], a move made possible by the transition from printed checks to electronic funds transfers. LinkShare claims to offer “the most publisher-friendly payment plan of the major affiliate networks” – presenting weekly payments as a boon to affiliates. Indeed, both good and rogue affiliates prefer to be paid quickly, all else equal. But by paying its affiliates more often, a network limits its ability to punish affiliates ultimately found to be violating its rules or defrauding merchants.

G. 5 signifies a 6-month delay). 1 The principal’s gross additional cost in making such payments is: 1 (3) But in the interim, the principal could invest the amount for duration at rate of return , yielding revenue . 3 Delaying Payment: Probability of Detection Let , a random variable, be the time until a given rogue agent is revealed as such. e. 2 Let the principal wait time before paying a given agent. 4 Outcome under the Delayed-Payment Contract: Agents’ Profits Suppose a rogue agent’s profit margin in serving the principal is .

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