International market can giver you a larger potential profit. But most of the time it is quite marginal. Even is very high deficit market situation markets you need to rely on immediate orders to make mega profits relative to base price selling. Also who offers all their production to the common market?
Lets say you can do well and manage to sell your goods +50% market price, even if you offer 50% of your production to the common market (which is quite a large commitment anyway) your still basically offering you goods for +25% market price. Market price of the goods x quality has a much larger effect on profit, then selling slightly higher above market price. "Estimated production" is only calculated at 100% production I think when committing to the common market, so if you pay higher salaries you will still make profit off the world market even if you commit 100% production.
All that said, I don't receive cont