This paper studies regulatory policy interventions aimed at protecting vulnerable consumers who are disengaged and thus exposed to exploitation. We model heterogeneous consumer switching costs alongside asymmetric market shares. This setting encompasses many markets in which established rms are...

This paper examines the optimal level of public transport pricing in metropolitan areas, using Stockholm and Paris as case studies. It shows that overall welfare improves if public transport prices are increased during peak hours to balance demand and fund additional services in the peak. This...

The price-setting newsvendor model is used to address the single period joint pricing and inventory control problem. The objective is to set the optimal price and replenishment quantity of a single product in order to maximize the expected profit. Products with a short selling season and...

In 2005 the EU lowered the guaranteed minimum prices for crops in its Common Agricultural Policy and stopped market interventions. Consequently, prices started to fluctuate more intensively, and farmers' incomes are now subject to higher price volatility. A crop price insurance scheme could...

We compare a discriminatory pricing regime with a non-discriminatory regime in a competitive bottleneck model where content providers endogenously sort into single or multi-homers. We find that consumer prices rise when the share of single-homers increases in the non-discriminatory case, while...