The introduction of mobile broadband technology, smartphones and dongles has resulted in a tremendous increase of mobile data traffic. Future demand for more capacity can be met by allocation of more bandwidth and new spectrum bands to mobile communication. But spectrum is a scarce resource and...

Since the beginning of the new century our electricity system is changing rapidly. Distributed energy resources, such as wind or solar energies are becoming more and more important. These energies are producing fluctuating electricity, which is fed into low voltage distribution grids. The...

This paper empirically examines the impact of entry by Wal-Mart on competition in the supermarket industry. Using a detailed panel dataset spanning 1994 to 2006, we estimate the impact of Wal-Mart on firm outcomes and market structure, controlling for persistent local trends and systematic...

This paper analyzes the productivity in the US rail industry for the period 1980 - 2006. I propose a value-added production framework to circumvent the problem of measurement error in one input. I find evidence showing that aggregate productivity gains can be attributed to returns to scale and...

We estimate the interaction between fixed and mobile usage both for voice and data services using consumer level data from April 2013 to March 2014 in a European country. We find a signi cant proportion of fixed voice consumption could be substituted by mobile voice, and vice versa. However, a...

This paper takes a retrospective look at the U.S. government's effort to rescue and restructure General Motors and Chrysler in the midst of the 2009 economic and financial crisis. The paper describes how two of the largest industrial companies in the world came to seek a bailout from the U.S....

The price-squeeze doctrine, and the discussion of up to what extent can a dominant firm discipline its rivals by means of pricing policies has lead to a wide divergence of antitrust enforcement and consequent liability rules across the Atlantic, and even between US' agencies – the Department...

Has the United States suffered a regulatory breakdown? The answer to this question might appear to be an obvious “yes.” Over the past several years, the nation has suffered not only a sustained economic downturn triggered by a cataclysmic financial crisis but also one of the worst...

Manufacturing has received increased attention in recent years, as it has enhanced its importance in the economy with output and employment gains and as a driving force of U.S. exports. Nonetheless, the sector faces serious challenges as well as opportunities. The challenges are weak global...