When users click on poor quality advertisements, there is a hidden cost to the search engine due to the user dissatisfaction (for instance, users are less likely to click on ads in the future). We describe how to incorporate hidden costs into the GSP auction for internet ads such that it is in an advertiser’s self interest to create a user experience that maximizes efficiency.

<p>Abstract : The purpose of this study was to analyze the components quality costs and calculate that occur in ED aluminum with aim improving product by reducing defects. This research conducted identifying calculating cost using Prevention, Appraisal, Failure (PAF) method. approach used is qualitative a case approach. object Aluminum, which largest craftsman Yogyakarta smelts into finis...