With four major companies sharing more than 85% of the market, the recording industry is one of the most concentrated industries. While this market concentration has been traditionally linked with high barriers to entry, recent technological changes have made these barriers almost disappear....

The aim of this paper is to evaluate, from an economic perspective, the efficiency of Web 2.0. It demonstrates that, because of the non-monetary nature of Web 2.0, several sources of inefficiencies (search costs, externalities, crowding out and adverse selection) exist. Nonetheless, the economic...

This important book is about the origins and diffusion of innovation, in theory and in practice. The practice draws on a variety of industries, from electronics to eyewear, from furniture to mechatronics, in a range of economies including Europe, the USA and China.

Based on an exhaustive and integrated business model framework, this article examines the critical differences between the two main business model paradigms – the one inherited from PC/console games and the one promoted by mobile and online games – in regard to the five main business model...

We consider testing for weak instruments in a model with multiple endogenous variables. Unlike Stock and Yogo (2005), who considered a weak instruments problem where the rank of the matrix of reduced form parameters is near zero, here we consider a weak instruments problem of a near rank...

We provide a joint account of the unemployment and labor force participation patterns of older male workers during the past half-century, and of the role of institutions that have shaped their employment experience. To do so, we build an equilibrium model with labor market frictions,...

This paper provides new empirical insights on the joint distribution of consumption, income, and wealth (CIW) in three of the poorest countries in the world - Malawi, Tanzania, and Uganda - all located in sub-Saharan Africa (SSA). Our first finding is that while income inequality is similar to...

This paper studies the secular behavior of worker reallocation across occupations in the US labor market. In the empirical analysis, we use 45 years of microdata to construct consistent time-series and document that the fraction of employment reallocated annually across occupations is remarkably...