I'm happy to be given an example of a socialist country in which you're free to leave and own private property.
http://en.wikipedia.org/wiki/List_of_socialist_countries
The joke here is that China and Vietnam are anything but socialist nowadays. China even has a property bubble, which must be turning old Mao around in his grave. But look down the list and you'll see a real who's who of totalitarian and authoritarian regimes. And not many startup hotbeds.