The freemium pricing model has become mainstream in the software industry. A large user base can induce positive network effects while expanding security risks associated with unpatched users. This study explores a two-stage decision problem faced by software vendors that involves a freemium...

Expected shortfall (ES) is a popular risk measure and plays an important role in risk and portfolio management. Recently, change-point detection of risk measures has been attracting much attention in finance. Based on the self-normalized CUSUM statistic in Fan, Glynn and Pelger (2018) and the...

This report presents refined options for an EU Pollinator Monitoring Scheme (EU PoMS), based on the work of a technical expert group comprising 26 international experts from 12 countries, with members being representatives of universities, research institutes and NGOs. The work presented here...