This paper surveys the measurement of trade costs: what we know and don't know but may
usefully attempt to learn. Partial and incomplete data on direct measures of costs go with …

General-equilibrium models based on increasing returns, product differentiation and
monopolistic competition have attained a prominent position in trade theory and, more …

Large-scale transport infrastructure investments connect both large metropolitan centres of
production as well as small peripheral regions. Are the resulting trade cost reductions a …

We develop a Ricardian trade model that incorporates realistic geographic features into
general equilibrium. It delivers simple structural equations for bilateral trade with parameters …

Trade is a cornerstone concept in economics worldwide. This updated second edition of the
essential graduate textbook in international trade brings readers to the forefront of …

Economic geography seeks to explain the riddle of unequal spatial development. Ever since
the emergence of civilization, human activities and standards of living have been unevenly …

We develop a framework for studying trade in horizontally and vertically differentiated
products. In our model, consumers with heterogeneous incomes and tastes purchase a …

Despite large regional policy expenditures, regional inequalities in Europe have not
narrowed substantially over the last two decades, and by some measures have even …

Consideration of agglomeration reverses standard theoretical propositions in international
tax competition. We show greater economic integration may lead to a 'race to the top'rather …

We evaluate two alternative models of international trade in differentiated products. An
increasing returns model where varieties are linked to firms predicts home market effects …