In this paper, a model of bounded rational investors investing their portfolio in a passive investment vehicle (e.g., an Exchange Traded Fund replicating a broad index) or an actively managed fund is presented. The model proposes that the quick reswitching of these short-term oriented investors...

We consider a portfolio optimization problem in a Black-Scholes model with n stocks, in which an investor faces both fixed and proportional transaction costs. The performance of an investment strategy is measured by the average return of the corresponding portfolio over an infinite time horizon....

This paper develops an open economy portfolio balance model with endogenous asset supply. Domestic producers finance capital goods through credit and bonds in accordance with debt capital costs as well as through equity assets. Private households hold a portfolio of domestic and foreign assets,...

In the German automobile industry the vertical integration, as an indicator of value added, is on average low. Beyond the argument of relative high labour costs for manufacturing, several specific reasons for the level of vertical integration, linked to the flexibility of business administration...

Contrary to static mean-variance analysis, very few papers have dealt with dynamic mean-variance analysis. Here, the mean-variance efficient self-financing portfolio strategy is derived for n risky assets in discrete and continuous time. In the discrete setting, the resulting portfolio is...

Die Erfolgswirkungen des Human- und Organisationskapitals werden bislang mit Daten von Unternehmen aus mehreren Branchen untersucht. Dem überlegen wäre eine branchenfokussierte, insider-ökonometrische Forschungsstrategie. Dies wird anhand der veröffentlichten Studien begründet und mit einer...

The question of whether firms gain competitiveness through local networks and clusters becomes more relevant than ever as globalization proceeds. This is particularly true for traditional and craft-based clusters, districts and business networks. A central question emerging for these types of...

This paper explores the role of trust in coordinating teams operating at the interface between multiple functions and organisations in strategic alliances. To understand the issues faced by these teams, we study cognitive & relational factors between partners and focus on the process of trust...