On the static and dynamic costs of trade restrictions for small developing countries

We analyze the costs of trade restrictions for a small developing economy (LDC). Intermediate goods invented elsewhere are only introduced on the LDC market if it is profitable to do so. The LDC economy evolves to a balanced growth path in which income, welfare, and the share of available goods increase if trade restrictions fall. The adjustment path is asymmetric: an increase in trade restrictions leads to a slow-down of economic growth, while a decrease may lead to a rapid catch-up process. The dynamic costs of trade restrictions are in general substantially larger than the static costs.