We sketch the main aspects of Greece’s electricity system from a market-based point of view. First, we provide data concerning the mix of generating units, the system load and the frequency-related ancillary services. Then, we formulate a simplified model of Greece’s Day-Ahead Scheduling...

This work aims to study the effect of a buyer’s service-driven always-a-share behavior on the suppliers' competitive and cooperative inventory policies. To this end, we consider a model of a repeat buyer (she) sharing her patronage among two heterogeneous newsvendor-type suppliers over an...

Make-to-stock suppliers with regular buyers must balance the cost of overstocking against the cost arising from the buyers' reactions when items are unavailable. In selecting which buyers to satisfy when shortages occur, they must weigh the current revenue from the satisfied buyers against the...

In service systems with delay-sensitive customers, the decision of customers to join the queue or balk shapes the demand function, impacting the service provider's profits. Although risk aversion is a common assumption regarding customers' attitudes toward delay, in practice, customers may...