What sparked humanity's leap from stagnation to prosperity? What lies at the core of inequality among nations? Unified Growth Theory explores the evolution of societies over the entire course of human history. It uncovers the universal wheels of change that have governed the journey of humanity,...

This paper examines the effect of e-waste dumping sites on early child health. We focus on two major dumping sites in West Africa, in Ghana and Nigeria. We observe children born before and after the creation of these dumps, and estimate a difference-in-difference specification in which we...

Should a developing economy, such as India, have a macroeconomic policy framework that is identical to an advanced capitalist country? The answer is a "No", because the developing economies have external constraints, that the more developed countries do not. They also, often, need to achieve a...

Early in their formation, modern nation-states face internal conflicts that impede their economic development. This paper examines the role of national identity in helping modern states overcome such conflicts to provide public goods and grow. We develop a model in which the population can...

Evidence suggests that the prehistoric Out of Africa Migration has impacted the degree of intra-population genetic and phenotypic diversity across the globe. This paper provides the first evidence that this migration has shaped cultural diversity. Leveraging a folklore catalogue of 958 oral...

Tax havens have become a subject of great interest among policymakers, scholars and the general public, and are central to many important current policy debates. This chapter provides an overview of the scholarly literature on the characteristics and origins of tax havens. The earlier...

An important strand of research in macro-finance investigates which factors impede enterprise investment, and quantifies their aggregate cost. In this paper, we make two contributions to this literature. The first contribution is methodological: we introduce a novel framework to calibrate...

Why does inequality vary across societies? We advance the hypothesis that in a market economy, where earning differentials reflect variations in productive traits, a significant component of the differences in income inequality across societies can be attributed to variation in societal...

We assess the impact of the 2010 Haiti earthquake on children's nutrition and education. We combine geo-coded shaking intensity data with four waves of the Haiti Demographic Health Survey, two administered before and two after the earthquake. We find lasting negative impacts of the earthquake on...

This paper estimates the size of the media multiplier, a model-based measure of how far media coverage magnifies the economic response to shocks. We combine monthly aggregated and anonymized credit card activity data from 114 card issuing countries in 5 destination countries with a large corpus...