We are concerned with trade in transport services (not cabotage butrather international shipping, transport,and related logistical services) and the importance of competitionand market structure in the sector. Weexamine implications of liberalization for profits, trade, andnational gains from...

This paper surveys the literature on the relationship between international trade in goods and the factors and the environment. Traditional approaches based on the Heckscher-Ohlin trade model and more recent models looking at non-competetive market structures are discussed. Moreover, the paper...

We extend structural gravity models of bilateral trade flows to oligopolistic competition. We show that conventional gravity estimates do not only reflect trade costs but also market power. Our simple estimation procedure generalizes the standard gravity model and disentangles exogenous trade...

The authors build a trade model that renders tractable the process in which imperfect competition in a country's downstream sector affects the rest of the world through international trade. For this purpose, internationally traded goods are viewed as middle products in the vertical chain of...