The new bonus to construction speed based on infrastructure adds another factor to think of to the game: Just as a reminder, for every level of infrastructure in a province you get a 10% boost to construction speed. (so at 10/10 infrastructure your speed is doubled).
So the fellow general might ask himself: "Is it worth it to build up on infrastructure purely to boost construction speed?"
I asked me myself this question und after the better part of the evening I managed to come up with a excel spreadsheet to calculate the influence of infrastructure.
(If you just want the tl;dr; scroll to the end of the post).
The base formular with the new construction-system for a full 15 line in IG-days:
The "Speedbonus" is depending on your Trade and Economic Laws, National Foci, Advisors and Construction Technology. Depending on your picks it may also vary between the different industries. (i.e.: War economy rewards a +20% to MIC construction but 0% to everything else). The infrastructure buff only applies to industries (CIC, MIC and NIC) not to itself, AA, forts...
So using this formular we can start make some calculations:
Many speedboni are affecting infrastructure and industries equally (Trade Laws, Construction Tech...). The economy laws though are impacting the equilibrium heavily as their boni (or in fact mali) only apply to industry. For our analyses we will pick Civilian and War economy:
In Civilian Economy there are certain sweet spots, where it is actually beneficial to build infrastructure (if you don't have any higher INF provinces available) to boost overall construction speed:
At an infrastructure level of 4 (or of course lower) it is actually going to be beneficial to build at least 1 infrastructure. The higher the number of new CIC the higher the bonus of any additional infrastructure. In comparison the numbers are a hell lot closer with an already build infrastructure level of 5:
If you plan to build more than 5 CIC, infrastructure is (even though lesser extend) viable in war economy:
So depending on how many CIC you are going to be able to build in a set province, infrastructure is always a viaable option!
But what is about MIC? The cost is considerably lower and also the economic laws are influencing them more positively. Let's take a glance at Civilian Economy:
At an infrastructure level of 4 (or below) we are getting the sweetspot at 7 MIC (or more). Otherwise just plain building them is more efficient!
During war economy there is no reason in a normal setting (1 infrastructure provinces with 10+ building spaces are not in the game) to ever build infrastructure as a speedboost:
Because of the even lower IC cost of NIC, they are always better of being build right of. (In a 4 inf level province the sweet spot starts at at 10 NICs - and those provinces are already very rare).
The tl;dr therefore is:
If you don't want to calculate everytime you are building new stuff, you can use these rules of thumb:
PS: I'm by no means a statistical analyst in RL, so there might be mistakes... If you find one - please share it!
So the fellow general might ask himself: "Is it worth it to build up on infrastructure purely to boost construction speed?"
I asked me myself this question und after the better part of the evening I managed to come up with a excel spreadsheet to calculate the influence of infrastructure.
(If you just want the tl;dr; scroll to the end of the post).
The base formular with the new construction-system for a full 15 line in IG-days:
The "Speedbonus" is depending on your Trade and Economic Laws, National Foci, Advisors and Construction Technology. Depending on your picks it may also vary between the different industries. (i.e.: War economy rewards a +20% to MIC construction but 0% to everything else). The infrastructure buff only applies to industries (CIC, MIC and NIC) not to itself, AA, forts...
So using this formular we can start make some calculations:
Many speedboni are affecting infrastructure and industries equally (Trade Laws, Construction Tech...). The economy laws though are impacting the equilibrium heavily as their boni (or in fact mali) only apply to industry. For our analyses we will pick Civilian and War economy:
In Civilian Economy there are certain sweet spots, where it is actually beneficial to build infrastructure (if you don't have any higher INF provinces available) to boost overall construction speed:
At an infrastructure level of 4 (or of course lower) it is actually going to be beneficial to build at least 1 infrastructure. The higher the number of new CIC the higher the bonus of any additional infrastructure. In comparison the numbers are a hell lot closer with an already build infrastructure level of 5:
If you plan to build more than 5 CIC, infrastructure is (even though lesser extend) viable in war economy:
So depending on how many CIC you are going to be able to build in a set province, infrastructure is always a viaable option!
But what is about MIC? The cost is considerably lower and also the economic laws are influencing them more positively. Let's take a glance at Civilian Economy:
At an infrastructure level of 4 (or below) we are getting the sweetspot at 7 MIC (or more). Otherwise just plain building them is more efficient!
During war economy there is no reason in a normal setting (1 infrastructure provinces with 10+ building spaces are not in the game) to ever build infrastructure as a speedboost:
Because of the even lower IC cost of NIC, they are always better of being build right of. (In a 4 inf level province the sweet spot starts at at 10 NICs - and those provinces are already very rare).
The tl;dr therefore is:
If you don't want to calculate everytime you are building new stuff, you can use these rules of thumb:
- During Civilian Economy for CIC: Building Infrastructure is viable if the difference between INF-Level and planned number of CICs is at least 2. The higher the better. You can safely increase the INF-Level to the number of planned CICs for certain net gain. If the planned number of CIC at least 7 you can rise INF level all the way to 10 savely.
- During Civilian Economy for MIC: You can raise your INF-Level by half the existing INF-Level, if the starting level is below 5 and you build at least 7 MIC.
- During War Economy for CIC: Building Infrastructure is viable if the difference between INF-Level and planned number of CIC is at least 3. Above INF-Level 4 you can savely increase the INF-Level to the number of planned CICs for certain net gain. If the planned number of CIC is at least 7 you can raise INF level all the way to 10 savely.
- During War Economy: It is almost never beneficial to build infrastructure to boost MIC construction speed. The examples are very unlikely.
- If you need to build infrastructure because of other reasons, try to build it in provinces with higher industry cap to minimize your effective CIC loss.
- If there is not a strategic reason (like SU building their industry right on the German border...) in the way, always build industry in provinces with the highest infastructure possible. The order should be CIC>MIC>NIC for long term investment!
PS: I'm by no means a statistical analyst in RL, so there might be mistakes... If you find one - please share it!
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