In this study, a nonlinear dynamical system is developed to analyze the dynamics of Indian exports to USA, the US tariff rate on Indian goods, and the competitiveness of India's export sector. The model is formulated as a three-dimensional system of differential equations that incorporates...

More than 85% of UK non-EU export value is facilitated by customs agents, yet little is known about how firms organize and adjust these relationships. This paper provides novel evidence on trader-agent relationships using transaction-level UK customs data from 2009 to 2019. We document a highly...