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Phosphasilatriptycene, a phenylene spacer and a pyridyl moiety represent the building blocks of TRIP-Py, the first heteroditopic ligand featuring a phoshatriptycene scaffold. The P and N donor sites located at...

Natural disasters pose a constant threat to human life and economic activity. As evidence by research (see, e.g., Emanuel (2005)) and recent Hurricanes Florence and Michael, as well as the recordbreaking hurricane seasons of 2017 and 2020, the frequency and destructive force of these disasters continue to increase and adversely affect US coastal regions. According to the Centre for Research on the Epidemiology of Disasters (CRED), the frequency of these disasters has increased 10-fold since 1960 and today the global community experiences an average of 384 natural disasters per year, impacting close to 200 million people and causing annual average damages of around $162 billion (Guha-Sapir et al. 2015).

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The US trade deficit has been growing for over 25 years and has been accompanied by enlarging freight rate differentials. While traditional models of trade have ignored these gaps assuming symmetry across all bilateral trade costs, the specific linkages between trade imbalances and international transportation costs have remained unexplored. Given the current trade policies, the implications arising from the endogenous adjustment of bilateral transport costs to policy‐induced changes in the US trade deficit are of particular importance. To break new ground on this issue, we develop and estimate a model of international trade and transportation that accounts for the effects of persistent trade imbalances. The theoretical results are supported by our empirical analysis and indicate that bilateral transport costs adjust to a country's trade imbalance. The implication is that a unilateral import policy, for example, will cause spillover effects into the bilaterally integrated export market. To illustrate, we use our empirical results to simulate the anticipated spillover effect from the Chinese ban on waste imports. We find that China's ban and the projected 1.5% rise in the US trade deficit will lead to not only a 0.77% reduction of transport costs charged on US exports to China but also a 0.34% increase in transport costs on US imports from China.