The rise of artificial intelligence (AI) and of cross-border restrictions on data flows has created a host of new questions and related policy dilemmas. This paper addresses two questions: How is digital service trade shaped by (1) AI algorithms and (2) by the interplay between AI algorithms and...

We discuss global climate mitigation that builds on existing unilateral measures to cut emissions. We document and discuss the rationale for such unilateral measures argue that such measures have the potential to generate positive spillover effects both within and across countries. In a simple...

This paper argues that detailed studies of particular economies, such as Bob Gregory's work on Australia, are relevant to all of economics. The paper builds on the concept of a model species from biology to develop the notion of a model economy -- one whose experiences illuminate fundamental...

This paper analyzes the importance of local interaction between individuals of different linguistic groups for the provision of public goods at the national level. The micro-founded conceptual framework we develop predicts that a country's public goods (i) decrease in its overall linguistic...

Over the WTO years, the frequency of disputes and court rulings has trended downwards. Such trends are sometimes interpreted as symptoms of a dispute resolution system in decline. In this paper we propose a theory that can explain these trends as a result of judicial learning; thus according to...

In contrast, we find that past crisis experience has a significant impact on savings. When facing considerable political risk, the past does seem to matter - countries with more people who were exposed, over their lifetime, to larger disasters will tend to save more. This association, however,...