This makes zero sense. How will doing nothing be less effective than doing something. They already have the ability to leave. Why will isolation force the spread to other west African countries? Those who would travel by land will travel by land regardless because the odds are they do not the ability to pay for a flight and its just plain easier.
African's don't do the shipping themselves. Non-African companies do the shipping. Ebola isn't going to survive transport because it quickly dies in open air and its not going to be Africans unloading the cargo . Worse case scenario you get shipping delays.
Unless there are stow aways you stupid fuck.
Trade won't drop completely, but further restrictions on trade would fuck us over.
it's about creating the illusion of stability and safety in these countries.
At the moment the average ebolan feels relatively safe.
If they feel their economic future is done for you'll have people trying to escape.
There are already gonna be massive foot shortages in the country with people abandoning their farms.
I really don't care about your analysis the objects are alreay in motion, none of us have any control over the situation.