What is GNP means?

[spherewave]

(sorry for short english..)

I thought GNP is a total gold of the empire.
but.. maybe it exactly not...

I just wonder... if I research 100% to science...and
there's 50 commerce in my empire..
my gnp is 50?
and then if I build a library.. My gnp grow? or not?

maybe not by a building..

but when I vary the percent of science/commerce.. the GNP varies slightly..

and.. I just guessed that GNP is (total commerce / total population)...
but.. can't calculate it correctly..

if there's someone who knows what the GNP exactly means.. plz teach me.

[Blake]

It's basically raw commerce (ie not counting specialists nor multipliers) minus post-inflation expenses.

Much like the rest of the demographics it's not realistic nor calculated in a sensible way.

Like here's a couple of fun ones:
The act of whipping will ALWAYS improve your approval rate.

The act of drafting will ALWAYS improve your life exptectancy.

[dolf]

GNP = Gross Nationale Product

[spherewave]

thx for reply..

I will try to find the exact calculation of GNP in demographics..

and about last reply.. I know GNP is the initial of gross national product..
and know exactly what GNP means in the real world..

I just asked what GNP represent exactly in this GAME..

[dolf]

[Bobby Chicken]

blake is right, i believe

[Bushface]

I reckon that in Civ4 the "G" stands for "garbled". How can one possibly have a negative gross value, as mine is often shown in the early and middle game ?

[dolf]

if your expenses exceed your income?

only if your recourses are very good (lots of gold and jewls) I keep making a profit with my tech level high, if not the tech level usualy has to drop