Problem
A. Identify the stage/level of regional trade/economic agreements (RTAs/REAs) that adopt a common external tariff on imports and eliminate barriers to trade in goods and services
B. Identify the theory that TNCs engage in FDI in order to protect firm-specific competitive advantages from being acquired by competitors:
C. Identify the branch of country risk assessment, which focuses on whether a sovereign nation-state can fulfil its debt obligations
D. Identify the theory of global trade that argues that trade liberalization of tariff and non-tariff barriers is a continuous and never-ending undertaking.