The analysis of the advantages of competition as a process of parallel experimentation is a neglected dimension of competition. Innovation competition as a trial and error-process can be analyzed as an evolutionary process of variation and selection of new problem solutions, which allows to...

The governance of competition on global markets is an open policy question (lack of international competition policy). In this paper, it is analyzed to what extent different types of regulatory competition, which in other regulatory contexts (as, e.g., corporate law) can be beneficial, might...

The debate about the economic power of large tech firms has led to the insight that due to the key role of personal data on large digital platforms competition and privacy issues are deeply intertwined. This leads also to a complex relationship between competition law and data protection (or...

Does the mere presence of big banks affect macroeconomic outcomes? Gabaix (2011) shows that idosyncratic shocks can have aggregate effects if the distribution of firm sizes in manufacturing follows a power law distribution. Our contribution is two-fold. First, we expand the theory of granularity...

Does the mere presence of big banks affect macroeconomic outcomes? In this paper, we develop a theory of granularity (Gabaix, 2011) for the banking sector, introducing Bertrand competition and heterogeneous banks charging variable markups. Using this framework, we show conditions under which...