Die Bundesnetzagentur (BNetzA) veröffentlichte am 21. Juni 2021 ein Szenarienpapier, das sich mit Grundsätzen der zukünftigen Bereitstellung von Mobilfunkfrequenzen mit einem besonderen Fokus auf die Verbesserung der Breitbandversorgung befasst. Das ZEW - Leibniz-Zentrum für Europäische...

We examine the strategic interaction in the market for physician services when the total budget for reimbursement is fixed. We show that this prospective payment system involves - compared to a fee-for-service remuneration system - a severe coordination problem, which potentially leads to the...

Through the canon of the UN SDGs or the European Green Deal, sustainability goals are finding their way into legislation. From an economic point of view, these targets often aim to reduce negative external effects, which is in many cases in line with the economic goal of maximising welfare. The...

We study the impact of insurance on the amount of fraud in a physician-patient relationship. In a market for credence goods, where prices are regulated by an authority, physicians act as experts. Due to their informational advantage, physicians have an incentive to cheat by inducing...

We examine the strategic interaction in the market for physician services when the total budget for reimbursement is fixed. We show that this prospective payment system involves ƒ{ compared to a fee-for-service remuneration system ƒ{ a severe coordination problem, which potentially leads to...

Using the concept of Inequity Aversion we derive in a Moral Hazard setting several results which differ from conventional contract theory. Our three key insights are: First, inequity aversion plays a crucial role in the design of optimal contracts. Second, there is a strong tendency towards...

We analyze the classic moral hazard problem with the additional assumption that agents are inequity averse. The presence of inequity aversion alters the structure of optimal contracts. When the concern for equity becomes more important, there is convergence towards linear sharing rules. The...

Firms compete for a contract and subcontract part of the work. If subcontracting takes place before the award of the contract, the revenue equivalence result breaks down, as subcontractors anticipate that their bids influence the probability of the firm winning the contract. Properties of the...