2,345 research outputs found

    Challenging the Evidence Base: The Impact of Teen Pregnancy Prevention Curricula on Disconnected Youth

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    Rates of pregnancy and sexually transmitted infections are substantially higher for youth in foster care, juvenile detention, homeless shelters and substance use rehabilitation facilities. However, these "disconnected youth" face multiple barriers in accessing sexual health information. This study uses data from a multi-site federally funded project to examine the usefulness and effectiveness of teen pregnancy prevention evidence based programs (EBPs) with youth in high risk setting

    On the Total Duration of Negative Surplus of a Risk Process with Two-step Premium Function

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    We consider a risk reserve process whose premium rate reduces from cd to cu when the reserve comes above some critical value v. In the model of Cramer-Lundberg with initial capital u ≥ 0, we obtain the probability that ruin does not occur before the first up-crossing of level v. When u \u3c v, following H. Gerber and E. Shiu (1997), we derive the probability that starting with initial capital u ruin occurs and the severity of ruin is not bigger than v. Further we express the probability of ruin in the two step premium function model - ψ (u,v), by the last two probabilities. Our assumptions imply that the surplus process will go to infinity almost surely. This entails that the process will stay below zero only temporarily. We derive the distribution of the total duration of negative surplus and obtain its Laplace transform and mean value. As a consequence of these results, under certain conditions in the Model of Cramer-Lundberg we obtain the expected value of the severity of ruin. In the end of the paper we give examples with exponential claim sizes

    Touching Visions: Afterword

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