Formule Bazele Economiei

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CT=CF+CV

CF-componenta fixa CV-componenta variabila

CV=v×Q

v-cost variabil unitar Q-cantitatea

VT=p×Q

p-pret unitar

Cost mediu: CTM=

CT CF CFM= Q Q

CVM=

CV Q

Costul marginal (sporul de cost total necesar obtinerii unui cost suplimentar de productie) : Cmg=

CT1 − CT0 ∆CT => Cmg= ∆Q Q1 − Q0

P=VT-CT

Q cr =

CT-cheltuieli totale VT-veniuri totale P-profit

CF p−v

Coeficientul elasticitatii cererii fata de pret:

K = ec / p

-

 ∆Qc   Q0

 ∆Pc  :  P0

Coeficientul elasticitatii cererii fata de venit :

K = ec / v

∆Qc ∆V Qo : V 0

Coeficinetul elaticitatii ofertei fata de pret :

K = eo / p

∆Qo ∆P Q0 : P0

Cost unitar : C u =

CF CV + Q Q

Cu =

*Calculele unui semifabricat: Costuri directe: C m = nc − p n Cm-materiale n c -norma de consum p n -pret

CF +v Q

v-costul variabil unitar

S d =n t - S b h

S d -salariu direct n t -norma tp

S b -salariul brut h I=30% × S d

I-impunerii proprii cu salariu direct

Costri indirecte:

C m + S d +I – CD

r s =K s × S d

regia atelierului(sectiei) CT= C m + S d +I+ r s

r f =K f × CTsec tie

regia firmei

CT produs =CT sec tie + r f

PIATA MONETARA D=CF-CD

D-dobanda CF-capital final CD-capital disponibil

Simpla : r =

D × 100 CD

Rata dobanzii: Compusa: R = (1 + r ) n

n-numar de ani

Formula de multiplicare a capitalului: CF= CD (1+r) n

r s -CI

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