While winner-take-all crowdsourcing contests are wide spread in practice, several researchers have observed that their social welfare can be poor due to effort exerted by contestants who are never rewarded. In this paper we study the problem of efficiency in winnertake-all crowdsourcing contests. Using a discrete choice model to capture contestants’ production qualities, we introduce a mechanis...

Introduction Understanding patient preferences and the demand for healthcare interventions technology is critical health assessment (HTA). New technologies have potential savings increased efficiency but even most cost-effective efficacious can fail if are not properly accounted for. Patient in HTA primarily limited to representation appraisal committees; however, more robust methods available ...

The German energy transition has led to a strong expansion of renewable energies in recent years. As result, the population is increasingly coming into contact with generation facilities. To increase local acceptance for new installations and create sales channels suppliers, legislature established “System Guarantees Regional Origin” 2019, which allows marketing electricity from subsidized faci...