This paper aims to analyze the impact of transaction costs in portfolio optimization in Peru. The study aims to compare the transaction costs structure applied in Peru with respect to the ones applied in the USA, and over a few dimensions. Design/methodology/approach The paper opted for an...

We study optimal portfolio decisions for a retail investor that faces a strictly positive transaction cost in a classical Black‐Scholes market. We provide a construction of optimal trading strategies and characterize the value function as the unique viscosity solution of the associated...

This paper focuses on the issue of limited financial market participation and determines a lower bound on the level of fixed transaction costs that are required to reconcile observed portfolio choices with asset returns within an isoelastic utility framework. The bound is determined from the set...

Cities are not affected by global climate policy and the Kyoto Protocol – however many of them engage in voluntary activities. This paper analyses how communities in general and especially the city of Hamburg can contribute to global climate protection in their citypartnerships according to...

As the process of globalisation of the world economy progresses, the degree of international competition among enterprises increases as well. Yet not all industries or branches are affected to the same extent by this development. One of the most important factors which determine the degree of...

In the Marrakech Accords, the international community established a complex set of rules for the CDM, including a project cycle, indicating certain important responsibilities for the host developing countries such as the approval of CDM projects. Hence, countries have to establish their approval...

Die Unternehmen stehen durch die fortschreitende Globalisierung der Weltwirtschaft in einem zunehmend internationalen Wettbewerb, wovon jedoch nicht alle Branchen im gleichen Ausmaß erfasst werden. Determiniert wird der Globalisierungsgrad einer Branche vor allem durch die Höhe der...

We study single period asset allocation problems of the investor who maximizes the expected utility with respect to non-additive beliefs. The non-additive beliefs of the investor model the presence of an uncertainty and they are assumed to be consistent with the Maxmin expected utility theory of...

Drawing on Transaction Costs Economics, this paper develops a new approach to conflict of law rules. It outlines a concept of constitutional uncertainty in international trade and presents a model of international transactions in the presence of a diversity of legal orders. We develop a general...

The conventional theory of international trade is dominated by a model presupposing a legal order that is perfect in its specifications and controllability, binding for all economic agents, no matter their nationality. World order appears to be cosmopolitan in the sense of Kant. An international...