This paper assesses the merits of using surveys of business perceptions of growth constraints as a guide to growth-enhancing fiscal policy reforms. Using endogenous growth models in which the government levies an income tax to provide public inputs to the production of private firms, the paper...

This study analyzes the relationship between the three main enterprise systems (Enterprise Resource Planning (ERP), Supply Chain Management (SCM), Customer Relationship Management (CRM)) and labor productivity. It reveals the performance gains due to different combinations of these systems. It...

Abstract In markets with competing interconnected networks like mobile telecommunication markets investments affect the investor’s and also any competitors’ profits. In a theoretical model it is shown that cost-reducing investments reduce the investor’s termination rates and increase...

Although the future socio-economic benefits of a new fibre-based (“next generation access”, NGA) telecommunications infrastructure seem to be uncontroversial, a universal NGA coverage appears to be a rather unrealistic objective without government intervention. We contend, however, that the...

We study the effects of the car scrapping subsidies in Europe during the financial crisis. We make use of a rich data set of all car models sold in nine European countries, observed at a monthly level during 2005-2011.We employ a difference-in-differences approach, exploiting the fact that...

Ownership unbundling and third party access are discussed as two options of unbundling in both the literature and political discussions. Focusing on the South American electricity sector, I contrast static and dynamic impacts of ownership unbundling and third party access regimes on customer...

Fibre-deployment of next-generation communications networks is currently a major challenge for investing firms as well as for national regulators and is also subject to hot debates at EU level. This work examines the role of regulatory policies and competition controlling for relevant supply and...

This paper considers the impact of European telecom regulation on the value of affected companies. Employing a repeating ARGARCH model, I compare the effect of three types of regulation which are categorized based on the addressed subject, i.e. cross-market, country-specific and company-specific...

In der aktuellen Debatte zur Rekommunalisierung von Stromanbietern wird häufig das Argument der sicheren Versorgung zu niedrigen Preisen von Vertretern öffentlicher Eigentümer angeführt. Während die sichere Belieferung mit Strom im Rahmen der Grundversorgung gesetzlich vorgeschrieben ist,...

We evaluate the impact of a major European state aid program for broadband deployment applied to rural areas in the German State of Bavaria in the years 2010 and 2011. Using difference-in-differences estimation strategies, we find that aided municipalities have – depending on broadband quality...