Difference-in-Difference (DiD) methods are being increasingly used to analyze the impact of mergers on pricing and other market equilibrium outcomes. Using evidence from an exogenous merger between two retail gasoline companies in a specific market in Spain, this paper shows how concentration...

The upward trend in fuel prices and the desire to reduce pollution levels mean that the electric vehicle has become an increasingly attractive alternative in recent years. The aim of this study is to examine the main barriers that the electric vehicle must overcome if it is to become a...

During the recent period of economic crisis, many countries have introduced scrappage schemes to boost the sale and production of vehicles, particularly of vehicles designed to pollute less. In this paper, we analyze the impact of a particular scheme in Spain (Plan2000E) on vehicle prices and...

Cartel detection is one of the most basic and most complicated tasks of competition authorities. In recent years, however, variance filters have provided a fairly simple tool for rejecting the existence of price-fixing, with the added advantage that the methodology requires only a low volume of...

Empirical evidence drawn from the economic literature points to a low level of competition in the retail petrol market. Similar evidence can be found for the Spanish market. In fact, both Spain’s antitrust authority (Comisión Nacional de la Competencia) and its energy regulator (Comisión...

The Balearic Islands (Spain) passed a regional law in 2019 banning the registration of diesel and petrol vehicles from 1 January 2025 and 1 January 2035, respectively. This law was heavily criticised before and during its implementation and was finally abolished after six months. This paper...

The increase in international petroleum prices generated by Russia’s invasion of Ukraine is one of the main causes of inflation, especially in Europe. In order to contain it, 13 European countries have introduced tax reductions or subsidies so as to reduce the final diesel and gasoline 95...

The increase in international petroleum prices generated by Russia’s invasion of Ukraine is one of the main causes of inflation, especially in Europe. In order to contain it, 13 European countries have introduced tax reductions or subsidies so as to reduce the final diesel and gasoline 95...