This paper examines the small world hypothesis. The first part of the paper presents empirical evidence on the evolution of a particular world: the world of journal publishing economists during the period 1970-2000. We find that in the 1970's the world of economics was a collection of islands....

Our contribution to the expanding literature on the globalization of research and innovation is to investigate the extent to which sector-specific developments in an emerging technology (such as increasing interdisciplinarity and complexity) affect inventive activities developed abroad. We look...

In recent years, demutualized stock exchanges have been increasingly engaging in M&A and alliance activities. To examine the effect of these growth strategies on exchange shareholders’ value creation, we focus on 14 public stock exchanges and investigate their short-run share price responses...

This paper presents some ideas about determinants of merger waves and some evidence on their effect on profitability and employment. A brief survey of previous merger waves and an analysis of the recent one give support to the hypothesis that sectoral shocks are at the root of merger waves....

This paper examines the small world hypothesis. The first part of the paper presents empirical evidence on the evolution of a particular world: the world of journal publishing economists during the period 1970-2000. We find that in the 1970's the world of economics was a collection of islands,...

This paper studies the effects of tariffs on intra-firm trade. Building on the Antràs and Helpman (2004) North-South theoretical framework, I show that higher Northern tariffs reduce the incentives for outsourcing and offshoring, while higher Southern tariffs have the opposite effects. I also...

Our contribution to the expanding literature on the globalization of research and innovation is to investigate the extent to which sector-specific developments in an emerging technology (such as increasing interdisciplinarity and complexity) affect inventive activities developed abroad. We look...

In recent years, demutualized stock exchanges have been increasingly engaging in M&A and alliance activities. To examine the effect of these growth strategies on exchange shareholders' value creation, we focus on 14 public stock exchanges and investigate their short-run share price responses to...

This paper studies the effects of tariffs on intra-firm trade. Building on the Antràs and Helpman (2004) North-South theoretical framework, I show that higher Northern tariffs reduce the incentives for outsourcing and offshoring, while higher Southern tariffs have the opposite effects. I also...