Estimating market power is often complicated by a lack of reliable marginal cost data. Instead, policy-makers often rely on summary statistics of the market, thought to be correlated with price cost margins? such as concentration ratios or the HHI. In many industries, these summary statistics...

This paper presents a model yielding testable implications concerning the long-run co-movements of real exchange rates, relative productivity, the trade balance and terms of trade. Countries with higher productivity, trade deficits or improved terms of trade are found to have more appreciated...

We construct a dynamic theory of civil conflict hinging on inter-ethnic trust and trade. The model economy is inhabitated by two ethnic groups. Inter-ethnic trade requires imperfectly observed bilateral investments and one group has to form beliefs on the average propensity to trade of the other...

This paper identifies the absence of both sub-continentally oriented histories which knit together the land and sea trades, and convincing explanations of the persistence of the Indo-Central Asian trade (for example) despite the growing Indo-European trade from the seventeenth-century. The...

Statistical analysis of Greek sovereign debt denominated in gold and traded on the London Stock Exchange from the outbreak of the First World War until the advent of the Great Depression is employed to explore the way that historical events including political and institutional changes shaped...

Much of the literature on economic change in the post-1945 world is permeated by two ideas: the temporal convergence of per capita incomes across economies and the spatial advance of free trade. For many economists and historians the two are linked: the reduction of trade barriers in the...