Using information collected from American Economic Review publications of the last 100 years, we try to provide answers to various questions: Which are the top AER publishing institutions and countries? Which are the top AER papers based on citation success? How frequently is someone able to...

The Belt and Road initiative, recently embarked on by China, aims to improve cross-border infrastructure in order to reduce transportation costs across a massive geographical area between China and Europe. The authors estimate how much trade might be created among Belt and Road countries as a...

We investigate the role of networks of military alliances in preventing or encouraging wars between groups of countries. A country is vulnerable to attack if there is some fully-allied group of countries that can defeat that country and its (remaining) allies based on a function of their...

We use transaction-level data to study changes in the concentration of US imports. Concentration has fallen in the typical industry, while it is stable by industry and country of origin. The fall in concentration is driven by the extensive margin: the number of exporting firm has grown, and the...

Exports serve as an engine of economic growth and can potentially help countries come out of poverty and unemployment. However, as the production process is increasingly getting fragmented globally, greater exports no longer imply higher domestic production, as imports of intermediate products...