This note studies the influence of a financial transaction tax and transaction costs on the optimal production and hedging strategies of a duopoly. Firms are exposed to demand uncertainty that leads to price risk and can hedge their risk exposure on a forward market. However, the forward...

Dieser Beitrag soll einen Überblick und eine Systematik im Hinblick auf die aktuellen Beiträge zum Phänomen der Fragmentierung geben. Während man im Zusammenhang mit der Ausweitung des Nord-Süd-Handels von einer "horizontalen Globalisierung" spricht, gilt Fragmentierung als Ausdruck einer...

Sovereign Wealth Funds (SWFs) have become active investors on the financial markets. This working paper meets the increasing thirst for information on the investment activities of Sovereign Wealth Funds, their legal environment and the implications on German stock listed corporations. Thus, this...

The number of preferential trade agreements has greatly increased over the past two decades, yet most existing bilateral arrangements take the form of free trade areas, and less than ten percent can be considered to be fully °edged customs unions. This paper develops a political economy model...

We use a multi-country asymmetric oligopolistic framework for segmented markets to study the welfare effects of reducing tariff discrimination --- which we call a move towards Most Favored Nation tariffs. Both unilateral and multilateral reforms are considered. We investigate this issue under...

This paper develops a complete reconstruction of the real part of the Ricardian model of international trade, which shows that the share of the demand of each good in the total expenditures and the relative size of the economies are the key factors in the determination of the equilibrium terms...

En este trabajo se desarrolla una reconstrucción completa de la parte real del modelo ricardiano de comercio internacional. Esta permite demostrar que la participación de la demanda de cada bien en el gasto total y el tamaño relativo de las economías son los factores clave en la...