1 “... of their diffusion. This study contributes to the understanding of multi-sided online platforms in three main ways...”

2 “... century. It also develops some analytical tools that can help to explain the main mechanisms at work...”

3 “... of this paper is to outline the main features of GREEN in a non-technical fashion and to present some...”

4 “... has varied widely from one country to another. The main remaining impediment to competition...”

5 “... elements persist. The main conclusions reached are: i) in the past two decades OECD governments extensively...”

6 “... decades. Turning to network industries, it then discusses the main policy issues raised by the need...”

7 “...In an empirical investigation, the paper identifies the main political economy drivers...”

8 “... of this proposal on emissions and welfare in both the EC and the rest of the world by concentrating on three main...”

9 “... reforms to facilitate the reallocation of resources in the economy are found to be the main factors...”

10 “...The main purpose of this paper is to analyse cross-country differences in the regulation...”

11 “... decades. Turning to network industries, it then discusses the main policy issues raised by the need...”

12 “... and diversity. These cover a wide range of areas, exerting their influence through three main channels...”