Some countries go as far as providing guarantees for investors in their constitution.
Just look at how Argentina's incentives for Blackberry panned out: https://www.npr.org/2017/02/23/516895101/when-argentina-elec...
Just look at how Argentina's incentives for Blackberry panned out: https://www.npr.org/2017/02/23/516895101/when-argentina-elec...