Can Payment-per-Click Induce Improvements in Click Fraud Identification Technologies?

Min Chen (), Varghese S. Jacob (), Suresh Radhakrishnan () and Young U. Ryu ()
Additional contact information
Min Chen: School of Business, George Mason University, Fairfax, Virginia 22030
Varghese S. Jacob: Naveen Jindal School of Management, University of Texas at Dallas, Richardson, Texas 75080
Suresh Radhakrishnan: Naveen Jindal School of Management, University of Texas at Dallas, Richardson, Texas 75080
Young U. Ryu: Naveen Jindal School of Management, University of Texas at Dallas, Richardson, Texas 75080

Information Systems Research, 2015, vol. 26, issue 4, 754-772

Abstract: Pay-per-click (PPC) is a common pricing model used to pay for ads on the Web and is open to the possibility for click fraud, where clicks are not from a legitimate user. Identifying click fraud is generally done in a three-stage process: the service provider (SP) first classifies clicks as fraudulent or not, then the advertiser does the same with a different technology, and if there is a disagreement, the SP examines further and his conclusions are considered binding. The advertiser pays for clicks that are identified as valid in the first two stages or confirmed as valid in the last stage. We model the choice of the identification technologies as a double moral hazard problem. We analyze the case where the PPC is incentive compatible to overcome the moral hazard problem, and examine the question of whether the incentive compatible PPC is sufficient to incentivize the two parties to unilaterally make further improvements to their identification technologies and simultaneously increase their profits. We show that when the cost of the third-stage identification technology is large, which is likely to be the case because of its complexity and use of expensive human experts, the incentive compatible PPC does not support unilateral technological improvements. We then examine a setting where the third-stage identification is delegated to a third party and find that this arrangement can induce unilateral improvements to the identification technologies in the first two stages. Collectively our results show that although the PPC model itself may not induce improvements in the first two stages of click fraud identification, a common arrangement espoused of having a third party resolve disagreements helps make PPC support unilateral technological improvements. Accordingly, we show an indirect benefit to the third-party arrangement.

Keywords: click fraud; online advertising; game theory; double moral hazard; incentives (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (6)

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