Why not replace Market Licenses with ECONOMICAL licenses?
You buy a Economical License from country X and:
- produce using their bonuses
- hire employees from their country
- pay taxes for them
- sell on their market
Economical Licenses could be a permanent thing and one could only change the economical license every X period (1 month / week / whatever)
They could be lease based:
A one-time license purchase would allow you lease/ pay X/month to that country's treasury for using it's economical facilities (Congress-set fee).
Upon changing Economical license, all employees would be fired.
You could still SELL in countries where you have Economical license (current market License).
That would eliminate 90% of the citizenship requests, in my opinion.
And TO attempts masked as Economical Requests.