We study the welfare effects of non-binding advance price announcements. Applying a differentiated Bertrand model with horizontal products and asymmetric information, we find that such announcements can help firms to gain information on each other thereby allowing them to achieve higher profits....

The paper investigates the price and income elasticity of gasoline (petrol), diesel and jet fuel demand in South Africa using autoregressive distributed lag (ARDL) models. We compare elasticity estimates for 1982Q1-2010Q4 with estimates for 1998Q1-2010Q4. Price and income elasticity estimates...

This research note identifies the period when South African prices began to move in unison with those of the country's lead trading partner. We find that South African wheat prices started reflecting UK trends soon after the discovery of diamonds and gold in the interior of the country. The...

We study the welfare effects of non-binding advance price announcements. Applying a differentiated Bertrand model with horizontal products and asymmetric information, we find that such announcements can help firms to gain information on each other thereby allowing them to achieve higher profits....

The last couple of years have seen an increasing interest in critical loss analysis, both, in academia and in practice. This development is documented by various research papers, high-level exchanges between antitrust experts as well as an increasing number of case decisions which make use of...

Im Jahre 2005 fand im Rahmen eines OECD Policy Roundtables ein intensiver Meinungsaustausch der Mitgliedsstaaten zu dem Thema ‚Evaluation of the Actions and Resources of the Competition Authorities’ statt. Eine wesentliche Erkenntnis der Gespräche bestand in der Feststellung, dass...

The paper develops a four-step framework to detect anticompetitive horizontal mergers. In the first step, an estimate of the impact of the merger on the market price needs to be derived. Subsequent, the second step of the framework has to assess whether such a predicted price increase would be...