It's the reason it's harder to work in a resort or operate a taxi in Cuba than it is to become a "doctor".
The former has access to foreign currency with a real value. The later can hope to maybe get an exit visa (the government will loan it's "doctors" to foreign regimes in exchange for real currencies).
The former has access to foreign currency with a real value. The later can hope to maybe get an exit visa (the government will loan it's "doctors" to foreign regimes in exchange for real currencies).