This dissertation consists of three papers which are aimed at extending consumer search theory by relaxing some of the informational assumptions and by inquiring into the incentives of firms to share information. The first paper analyses firm's incentives to share information in search markets....

This paper outlines the modern industrial organization theory of media markets including competition policy implications. After recapturing fundamentals of industrial organization theory in a non-technical way, the state of the art of (i) modern platform economics, (ii) the economics of the...

The ubiquitous process of digitization changes economic competition on markets in several ways and leads to the emergence of new business models. The increasing roles of digital platforms as well as data-driven markets represent two relevant examples. These developments challenge competition...

We present a new class of methods for identification and inference in dynamic models with serially correlated unobservables, which typically imply that state variables are econometrically endogenous. In the context of Industrial Organization, these state variables often reflect econometrically...

This paper provides an economic analysis of recent vertical and horizontal mergers in the U.S. industry for audiovisual media content, including the AT&T-Time Warner and the Disney-Fox mergers. Using a theory-driven approach, we examine economic effects of these types of mergers on market...

We construct a multi-layer model of skills, occupations, and sectors. Technological progress among middle-skill occupations raises the employment shares and relative wages of lower- and higher-skill occupations (horizontal polarization), and those of managers over workers (vertical...

Firm growth is an essential feature of market economies, shaping together macroeconomic performance and the evolution of industry structures. As a potential indicator of organizational "fitness" within a competitive environment, firm growth is also a central concern to both the practice and...

Several developing countries impose high tariffs, directly or indirectly, on imports of manufactured goods such as vehicles and machinery. In many cases governments argue that they need such policies to protect domestic manufacturing industries from foreign competition while simultaneously...

This book celebrates the contributions of David B. Audretsch, Distinguished Professor at the School of Public and Environment Affairs (SPEA) at Indiana University (USA), co-founder and co-editor of Small Business Economics, and former Director of the Entrepreneurship, Growth and Public Policy...