I’m not even conviced that China (being as it had essentially no ‘industry’ during this period of history) should even be allowed to ‘carry-over’ IPC’s from turn to turn.
In China’s case, the IPC’s earned cannot represent a build-up of manufacturing capacity but merely the ‘opportunity’ to marshal more manpower…which should not have a carry-over to allow a build up.
The same argument could be made for the other powers; however, for the industrialized nations (ie: all other powers) IPC’s carried over could represent a stockpiling of the needs of industry (steel, aluminium, oil/coal, etc.) for quick and easy use at a later date (the next turn).
Any thoughts?