This paper discusses the place of oligopoly in international trade theory, and ar-gues that it is unsatisfactory to ignore …rms altogether, as in perfectly competitivemodels, or to view large …firms as more productive clones of small ones, as in monop-olistically competitive models. Doing...

Carbon leakage is a major concern for policymakers involved with environmentalinitiatives such as the European Unions emissions trading scheme and similar cap-and-trade proposals in the United States, Australia, and elsewhere. This paperprovides a framework for understanding the drivers...

This paper examines the amount of grandfathering needed for an emissionstrading scheme (ETS) to have a neutral impact on firm profits. Weprovide a simple formula to calculate profit-neutral grandfathering in aCournot model with firms of different sizes and a general demand function.Using this...

Using a unique bank-level dataset on the Ugandan banking system over theperiod 1999 to 2005, we explore the factors behind consistently high interest rate spreadsand margins. While foreign banks charge lower interest rate spreads, we do not find arobust and economically significant relationship...

The UK’s business R&D (BERD) to GDP ratio is low compared to other leading economies,and the ratio has slowly declined over the 1990s. This paper uses data on large UK firms toanalyse the link between R&D and productivity over the 1989-2000 period. Using aproduction function approach, and a...

Productivity, or the amount of output produced by a given number of inputs,can be measured in a number of ways;1 the focus of Governmentpolicy, and much of the theoretical and empirical literature, is on labourproductivity, which provides the theme of the discussion in this review.A central...

This paper evaluates alternative strategic models of competition and market structure inonline retailing, and makes comparisons with traditional retailing. Online consumers areless concerned than traditional consumers about spatial characteristics and moreconcerned about hidden quality...