Stock Markets and population

You need farms for more population (like one or two) and then you'll need some stricly moral bonus buildings because even though stock markets give moral the extra people will be very vey unhappy from over crowding. One good high PQ planet can make a ton more money if you have a good balance of farms, moral buildings, and stock markets.

I usually do that for planets with many tiles and a 100% or 300% Farm bonus. I don't build too many Stock Markets though. It's just more effective if you have a high population to get taxes from. On my current one, I have an Economy Capital on there and the Evil building that raises it by 100%, with a few Stock Markets to round it out. Population cap is 27 B, but it takes a while to get there since I use it for my transports. I have another that's maxed out at 17 B. 100% morale for both.

I only have 2 kinds of worlds: econ worlds and non-econ worlds. Econ worlds have 2 Xeno Farms (or 1 Xeno Farm on a 100% bonus. Larger bonuses are not used, as population control is a must). They have 17B people (or 16, if it's my capital), and enough happiness buildings to keep people at 100%. After that, it's just econ buildings.

I've never mastered the trick of keeping a mega-population world at 100% morale, so I don't bother. Besides, getting good money from a 17B planet is easy, and you can do it with fewer open tiles (a Class 14 can do it). Plus, you don't have to hope for 3-4 morale resources.

but what every one in this tread is missing is the factories, labs, and super projects that realy make a differance.

I might not get the most money from my ppl, but i don't tax them to death, and once i am past the sarting techs, i resarch up a varity of techs that help in an undecided game. i.e., if a tech war starts up with my race, and another, then my uped reaserch ability is already to handel that.

dragonrift - i think you are missing the point.
This thread is about economy- not production. Most people specialize worlds. Those that are for economy only have the minimum number of buildings which don't improve this attribute. The only exception to this is that generally all my worlds have 3 factories just to build the other improvements. I fill the world with stock exchanges until the pop cap is reached then I upgrade one by one to farms until the morale is only at 110% @ 79% tax rate(you can see the calc by the mouse over on approval). It is then a judgement whether switching two stock exchanges for a farm and a morale building is worth it. The larger the planet the more likely the replacement is to be worth it, I've had planets with PQ>50 these need to have quite a lot of farms to fully utilise them. I believe the formula is based on econony bonus * root (pop). (Make sure you do the morale building first-especially if they are both fully upgraded).

but what every one in this tread is missing is the factories, labs, and super projects that realy make a differance.

This thread is about the tradeoff between stock markets and farms for maximizing your income on a dedicated tax world. We're not talking about factories and labs because that's not the point of the thread. I'd have thought that the first post might have been a subtle clue about that?

Anyway, income bonuses are additive, not multiplicative. The square root of your population is what determines your base income. What that means is that the first farm is especially beneficial for your income, since it more than doubles your population (that increases your base income by about 40% once it fills up). Additional farms will have a rapidly diminishing return on your income, which makes it only worthwhile on very large planets. Keep in mind that a smaller increase in your base income can make a big difference because it increases the effect that all of your stock markets have. For example...

Suppose that a single farm would increase your base income by 20%, so instead of making 100 you'd make 120. You could choose between a 20% base income increase or a +30% tax bonus from a stock market. If you have no other stock markets, building a stock market would be the best course. However, if you've already got seven stock markets (random number, not necessarily the efficiency break-even point in-game) then you'll get more money from building the farm. Eight stock markets would give you a total of 340, while seven stock markets and a farm would give you 372.

Because the base tax level is determined by the square root of your population, your first farm is going to be much more effective than your second. If you're only going to be able to build one building, make it a farm unless you need the extra cash immediately for some reason. Stock markets work right away, while farms only help after the population has grown to take advantage of the higher population cap. Unless your planet quality is insanely high (I'm talking 30+ here) I'd never build more than three farms. In almost all cases, two will be more than sufficient, while every planet of even mediocre quality (7+ maybe) should probably have a single farm.