September 2015 : The German mobile broadband spectrum auction: tales of mystery and retaliation

For many observers, the 2015 German mobile broadband spectrum auction was a surprise: at first, it looked as if the potentially very valuable 700MHz spectrum would be sold for the extremely low reserve price, and 900MHz spectrum would fetch not … Continue reading →

April 2011 : How strong are merchant constraints on interchange fees?

This paper examines the ability of merchants to affect their customers’ choice of payment method. We demonstrate that merchants have a number of ways for steering their customers away from payment methods that are ‘expensive’ for the merchant, and that … Continue reading →

June 2010 : Fixed or flexible? A survey of 2.6GHz spectrum awards

The 2.6GHz frequency band is part of a family of spectrum bands identified worldwide for deployment of mobile services. Since 2007, nine European regulators and one Asian regulator have announced detailed plans to auction 2.6GHz spectrum; and seven of these … Continue reading →

December 2007 : Winner determination and second pricing algorithms for combinatorial clock auctions

This paper outlines practical methods for determining winners and how much they should pay in combinatorial auctions.

September 2003 : The first combinatorial spectrum auction: lessons from the Nigerian auction of fixed wireless access licences

The paper was presented by DotEcon at the 14th ITS Regional Conference held in Helsinki in August 2003. A short presentation of the main conclusions is available.

September 2002 : Roaming free? Roaming network selection and inter-operator tariffs (DP 02/01)

The paper was presented by Roger Salsas at the ITS 2002 Conference in September 2002. A short presentation of the main conclusions is available.

September 2002 : Caller-called party interaction: Implications for call termination (DP 02/03)

This paper was presented by Dan Maldoom at the 13th Regional ITS Conference held in Madrid in September 2002. A short presentation of the main conclusions is available.

September 2002 : Fixed-mobile substitution: a simultaneous equation model with qualitative and dependent variables

The paper was presented by Réka Horváth at the ITS 2002 Conference in September 2002. A short presentation of the main conclusions is available.