We investigate the interface between trade and invasive species (IS) risk, focusing on the existing tariff escalation in agricultural and food-processing markets and its implication IS risk. Tariff escalation in processed agro-forestry products exacerbates the risk of IS by biasing trade flows...

The price-wedge method yields a tariff-equivalent estimate of technical barriers to trade (TBT). An extension of this method accounts for imperfect substitution between domestic and imported goods and incorporates recent findings on trade costs. We explore the sensitivity of this revamped tariff...