6

SEMINAR 31) Fenomenul economic Y se exprim prin produsul a 4 factori a, b, c, d. Determinai y i y n funcie de a, b, c, d pe baza metodei iterrii (substituiei n lan).FactoriT0T1

a28

b59

c33

d62

Rezolvare:y0=a0*b0*c0*d0=2*5*3*6=180y1=a1*b1*c1*d1=8*9*3*2=432y = y1 - y0 = 432 180 =252 => y=252y(a)=a1*b0*c0*d0 a0*b0*c0*d0 = 8*5*3*6 2*5*3*6 = 540 => y(a)=540y(b)=a1*b1*c0*d0 a1*b0*c0*d0 = 8*9*3*6 8*5*3*6 = 576 => y(b)=576y(c)=a1*b1*c1*d0 a1*b1*c0*d0 = 8*9*3*6 8*9*3*6 = 0 => y(c)=0y(d)=a1*b1*c1*d1 a1*b1*c1*d1 = 8*9*3*2 8*9*3*6 = -864 => y(d)=-864y(t)=540+576-864=252=> y(t) = y = 252

2) Fenomenul T se exprima matematoc prin produsul a 6 factori m, n, p, q, r, s. Scrieti ecuatiile de substituire pentru determinarea influentelor celor 6 factori asupra dinamicii T.T(m)=m1*n0*p0*q0*r0*s0 m0*n0*p0*q0*r0*s0T(n)=m1*n1*p0*q0*r0*s0 m1*n0*p0*q0*r0*s0T(p)=m1*n1*p1*q0*r0*s0 m1*n1*p0*q0*r0*s0T(q)=m1*n1*p1*q1*r0*s0 m1*n1*p1*q0*r0*s0T(r)=m1*n1*p1*q1*r1*s0 m1*n1*p1*q1*r0*s0T(s)=m1*n1*p1*q1*r1*s1 m1*n1*p1*q1*r1*s0

SEMINAR 41) Sa se efectueze analiza factoriala (metoda iteratiei) pentru cifra de afaceri a unei entitati economice, pe baza datelor:IndicatorSimbol01

Cifra de afaceriCA1200010000

Nr de personalN2422

Val medie mijloace fixeMf20002400

Val medie mijloace fixe productiveMf19001600

Val productiei fiziceQf1800020000

Notatii: N=a; = b; = c; = d; = e.Factor01

a2422

b83,33109,09

c0,950,66

d9,4712,5

e0,660,5

CA(a) = a1*b0*c0*d0*e0 a0*b0*c0*d0*e0 = 22*83,33*0,95*9,47*0,66 24*83,33*0,95*9,47*0,66 = -989,57CA(b) = a1*b1*c0*d0*e0 a1*b0*c0*d0*e0 = 22*109,09*0,95*9,47*0,66 10885,33CA(c) = a1*b1*c1*d0*e0 a1*b1*c0*d0*e0 = -4350,09CA(d) = a1*b1*c1*d1*e0 a1*b1*c1*d0*e0 = 3167,66CA(e) = a1*b1*c1*d1*e1 a1*b1*c1*d1*e0 = -3167,97CA = CA1 CA0 = -2000

SEMINAR 7Pe baza datelor:IndicatorT0T1

CA80009000

Ch afer CA40007000

Q fabr1200014000

Nr mediu sal2220

1) Modelul de analiza utilizat este urmatorul:

CA=N*CA=?T0T1

a2220

b545,45700

c0,660,64

CA(a)=a1*b0*c0 a0*b0*c0 = -719,99CA(b)=a1*b1*c0 a1*b0*c0 = 2040,06CA(c)=a1*b1*c1 a1*b1*c0 = -280CA(t)=-719,99+2040,06-280=1040,7 => CA(t) = 1040,7

SEMINAR 81) Efectuati analiza factoriala a cheltuielilor variabile la 1000 lei cifra de afaceri pe baza datelor:IndicatorSimbolPrevazutRealizat

CA60006100

CT48005200

CFF20002200

Produse vandute la pret prevazut (CA recalculata)-6100

Vol efectiv al prod vandute la cost variabil prevazut-3000

Cv0=4800-2000=2800=> Cv0=2800Cv1=5200-2200=3000=>Cv1=3000Cv01000= =466,66Cv11000=491,8Cv=25,14Cv1000(q)==25,14Cv1000(p)==0Cv1000(cv)==0

2) Efectuati analiza factoriala a cheltuielilor fixe la 1000 de lei cifra de afaceri:

Indicator(simbol)PrevazutRealizat

61006200

50005200

Cv30004200

-6600

Cf1000==> Cf1000=Cf0=5000-3000=2000=>F0=2000Cf1=5200-4200=1000=>F1=1000F=Cf01000=327,86Cf11000=161,29Cf1000=Cf11000-Cf01000=-167

Cf1000(q)=*1000 *1000 = -25Cf1000(p)=*1000 *1000=20Cf1000(F)=*1000 *1000=-162

SEMINAR 91) Efectuati analiza factoriala a cheltuielilor variabile la 1000 lei cifra de afaceri pe baza datelor:SimbolPrevazutRealizat

4000038000

2200030000

F40006000

Ip-104%

Icv-106%

CV0=18000CV1=24000Cv01000= =450Cv11000=631,58CV1000=181,58Ip= => = Ip= => =

Cv1000(q)==169,66Cv1000(p)==-23,83Cv1000(cv)==35,74

2) Efectuati analiza factoriala a cheltuielilor fixe la 1000 de lei cifra de afaceri:

Indicator(simbol)PrevazutRealizat

1800020000

1200015000

CV1000012000

Ip-102%

Cf1000==> Cf1000=Cf0=2000=>F0=2000Cf1=3000=>F1=3000F=Ip= => = Cf01000=111,111Cf11000=150Cf1000=Cf11000-Cf01000=38,89

Cf1000(q)=*1000 *1000 = -9,11Cf1000(p)=*1000 *1000=-2Cf1000(F)=*1000 *1000=506