# Formulas de estudio de mercado

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• Publicado : 27 de abril de 2010

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Demanda - Precio

Q = k.pe

Log q = Log k + e Log p

( Log q = n Log k + e (Log p

( Log q. Log p = Log k (Log p + e ( (Log p)2Calculo del Coeficiente de Correlación

R = e S Log p
S Log q

S2Log p = ( (Log p)2 - (Log p 2
n n

S2Log q = ( (Log q)2 - (Log q 2n n

Demanda – Ingreso

Q = k.ye

Log q = Log k + e Log y
(Log q = n Log k + e (Log y
( Log q. Log y = Log k ( Log y + e ( (Log y)2Calculo del Coeficiente de Correlación

R = e S Log Y
S Log q

S2 Log p = ( (Log Y)2 - (Log Y 2
n n

S2 Log q = ( (Log q)2 - (Log q 2n n

Y = a + b x + cx2

( y = a n + b (x + c (x2
(y x = a (x + b (x2 + c (x3
( y x2= a (x2 + b (x3 + c (x4

Cálculo del Coeficiente de Correlación

R2 = ( (Ye – Y)2
( (Y - Y)2

Y = (y
n

Modelo ExponencialY = ab x

Log Y = Log a + X Log b

Regresión Simple
(Log y = n Log a + Log b (X
(T Log y = Log a (X + Log b (X2

Calculo del Coeficiente de Correlación

R2= Logb SX S Log Y

SX2 = (X2 - (X 2
n n

S Log Y 2 = ( (Log Y)2 –(Log Y 2
n n

Modelo Potencial

Y = aXb

Log Y = Log a + b Log X

Regresión
(Log Y = n Log a + b (Log X
(Log Y LogT = Log a (Log X + b ( (Log X)2

Calculo del Coeficiente de Correlación

R= b S Log X
S Log Y

S2 Log X = ( (Log X)2 – (Log X 2
n...