This paper considers the evolution of global transportation usage over the past half century
and its implications for supply chains. Transportation usage has more than doubled as costs …

The international trade weight of scrap copper has exceeded 6 million tons annually over
the past two decades. China introduced the “National Sword” policy in 2017, which brought …

Container ships travel between a fixed set of origins and destinations in round trips, inducing
a negative correlation in their freight rates. I study the implications of this round trip effect on …

Despite a general agreement that piracy poses a significant threat to maritime shipping,
empirical evidence regarding its economic consequences remains scarce. This paper …

We show that demand shocks have a greater effect on real freight rates compared to supply
(fleet) shocks both historically and on impact. By contrast, supply shocks have a larger …

This survey is of the growing body of research investigating the economic development
effects of transport infrastructure expenditures, and seaport investments in particular. This …

This paper discusses how import tariffs interact with transport prices in episodes of trade
liberalization. We develop a model of a transport industry that operates under imperfect …

Abstract The European Union imports over 22.4% of total Kenyan exports and is market to
over 51.3% of Kenya's untapped export potential. However, there is a dearth of knowledge …

Rules of international air transportation services that apply to signatories' airlines are
defined by air services agreements (ASAs). We assess the impact of bilateral ASAs on air …

In this study, I develop a multi-sector urban equilibrium model of port cities that allows us to
consider the disaggregated employment and factor price effects of domestic and …