This paper studies the effect of institutional reform on the decision to hold risky assets at the example of the natural experiment of German Division and Reunification. We present empirical evidence indicating that even 16 years after German Reunification risky portfolio choice and composition...

Der Beitrag untersucht den physischen und digitalen Zugang zu Finanzdienstleistungen der öffentlich-rechtlichen Sparkassen in Deutschland, um zu beurteilen, ob die durch den Filialrückbau bewirkte reduzierte Präsenz in der Fläche durch digitale Angebote kompensiert werden kann. Die physische...

This paper investigates the effects of board of director collusion on managerial incentives and firm values. Recent academic research hints at the social network of board of directors as an important conduit for coordinating corporate governance policies, such as managerial pay, and curbing...

This note is concerned with the effects of joint ownership of complements when they are vertically differentiated. We provide strong arguments for the positive nature of network integration among firms, while showing at the same time that, in some circumstances, anti-competitive consequences can...

A well established belief both in the game-theoretic IO and in policy debates is that market concentration facilitates collusion. We show that this piece of conventional wisdom relies upon the assumption of profit-seeking behaviour, for it may be reversed when firms pursue other plausible goals....

The paper investigates the optimal scope of trade secrets law. In the model, one innovative firm invests resources first to produce knowledge, and then to protect it from unwanted disclosure. A rival firm invests to ferret out this knowledge. Trade secrets law affects this "secrecy contest" by...

Since the early 2000s, there has been rapid growth in the number and spread of supermarkets in southern Africa. This paper is a synthesis of key findings of studies undertaken in Botswana, South Africa, Zambia, and Zimbabwe on the expansion of supermarkets and the impact this has had on...

This paper explores the effect of the spread of supermarkets on the participation of suppliers in supermarket value chains in Botswana and South Africa. Using secondary data and in-depth interviews with key players in the value chain, the paper evaluates the buyer power of supermarkets evidenced...

Efficient transport links are critical to enhancing the integration of markets in Southern Africa. This paper assesses the structure of markets, competition, and prices and costs of road transportation between urban hubs in Malawi, Mozambique, South Africa, Zambia, and Zimbabwe. Key findings are...

Rapid urbanization and rising income levels in Southern Africa have increased the consumption of perishable and processed food products. This paper relies primarily on firm-level interview data to assess competition and bottlenecks in transporting time-sensitive perishable products across...