Well, in theory it works, in practice it is not always so. For example, London has always had bricks and timber and it produces IG so there should be no problem - wrong,; there is. You cannot beat the speed of constrcution when you are LM. For example, I have moved some 3,500 loads of bricks from Danzig to London. They were earmarked to place buildings in at least one complete sector but now have been re-allocated for wall building in London. Come May I move there, place the 2nd wall, suggest another expansion and place the 3rd wall in one stretch. In July it's off to Ladoga and in October to Helsinki. That will complete 9 of the 14 walls under my direct control. (Aalborg has to wait until fiurther notice. Any activity there will be restriced to fishing huts since I believe I have enough housing. Stavanger, Memel, Rugenwald,Konigsberg,Stocjholm, Haarlem, and Harlingen all work on the 3rd wall already. That will give me enough towns to build in. The towns still working on their 2nd wall are of secondary importance.
This contest, for whatever reason, requires more meat/leather and whale oil to satisify the poor than last years, even though, IIRC, the needs of the people are at the same level. I have quit placing buildings, other than 5-day types, outside the walls.
Currently it makes no sense to build more industry since I would only end up with more disgruntled people. The fisher in Edinburgh and Oslo are at around 10% production, so not enough whale oil to go around. The meet and IG industry in Edinburgh is also in the dolldrums. The only industries that heve recoverd are grain, beer, fish and salt. The Med is not supplyihg enough cloth and I don't have enough sheepfarms to support weavers within the Hanse. Even the spice import has fallen off; I had to import from 2 spice towns to get the stocks back up.
The loss of population is around 2,000 in several towns but in most it has stabilized now. I guess in another 3 months I will finally have a normal increase again.