Greek Abstract: Η συμβατική μικροοικονομική θεωρία, η οποία θεμελιώθηκε και αναπτύχθηκε κυρίως από τους νεοκλασικούς οικονομολόγους, εμπεριέχει κάποια βασικά λάθη τα...

We find a U-shaped relation between industry concentration and innovation. The relation is driven by neck-and-neck industries where firms operate with similar productivity. When industry concentration is low, innovation intensity decreases as concentration increases. However, when industry...

Economic theory suggests that monopoly prices hurt consumers but benefit shareholders. But in a world where individuals or households can be both consumers and shareholders, the impact of market power on inequality depends in part on the relative distribution of consumption and corporate equity...

Economic theory suggests that monopoly prices hurt consumers but benefit shareholders. But in a world where individuals or households can be both consumers and shareholders, the impact of market power on inequality depends in part on the relative distribution of consumption and corporate equity...

The local steel industry in Egypt has been protected by high tariffs which were relaxed lately. The market is segmented according to steel type and there is a dominant steel producer acting as a monopoly in the market. Due to barriers to entry in the short run and the dominant market position of...

Economic theory suggests that monopoly prices hurt consumers but benefit shareholders. But in a world where individuals or households can be both consumers and shareholders, the impact of market power on inequality depends in part on the relative distribution of consumption and corporate equity...

This paper looks at the contribution made by pre-1870 writers in economics (proto-neoclassicals) to what would later become known as the neoclassical theory of the firm. In particular we briefly consider the work of Dionysius Lardner, Johann von Thünen, John Stuart Mill, Charles Ellet, Jr. and...

This paper analyzes supply tariffs that discriminate between resale in different markets. In a setting with competing retailers that operate in multiple (independent or interdependent) markets, we show that, all else equal, a monopolist supplier wants to discriminate against resale in the market...

We incorporate a search-theoretic model of imperfect competition into a standard model of asymmetric information with unrestricted contracts. We characterize the unique equilibrium, and use our characterization to explore the interaction between adverse selection, screening, and imperfect...

This book has three main objectives: (a) to discuss the main implications that consumers' inability to make rational choices can have on the functioning of second pillars, (b) to describe how jurisdictions have tried to address these problems through ad hoc policy interventions, and (c) to...