Using an applied general equilibrium model, we find that the EU-Morocc
o free trade area (FTA) will increase Moroccan welfare by about 1.5% o
f its GDP, showing that trade diversion is not dominant. The gains inc
rease to about 2.5% of GDP if Morocco adds trade liberalization with t
he rest of the world while adjustment costs are only slightly higher,
partly reflecting the absence of trade diversion with global liberaliz
ation. We show what are the key modeling assumptions and parameter cho
ices that affect the estimates in models of this type, employing syste
matic sensitivity analysis as well as graphical exposition.