FORMLER Flashcards

1
Q

Nyttefunksjonen

A

u = f(x1, x2)

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2
Q

Optimal tilpasning betingelser

A
  1. p1x1 + p2x2 = m
  2. MSB = p1/p2 = u’1/u’2
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3
Q

Nyttemaksimeringsproblemet til konsumenten

A

Maks u(x1, x2) gitt p1x1 + p2x2 = m

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4
Q

Priselastisitet

A

El p x = (p/x)*(∂x/∂p)
El x > 1: priselastisk
El x < 1: prisuelastisk
El x = 1: prisnøytralelastisk

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5
Q

Produktfunksjon

A

y = f(V1, V2), y = f(V)
Vi antar at økt V gir større y: y’ = f’(V) > 0

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6
Q

Kostnadsfunksjonen

A

C(y) = q*v

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7
Q

C(y)

A

Cv(y) + F
Cv: variable kostnader
F: faste kostnader
C(y) = q*v

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8
Q

Profittfunksjon

A

π (y) = p*y - C(y)

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9
Q

Profittmaksimerende tilpasning

A
  1. ordens betingelse
    π’(y) = 0 <=> p - C’(y) = 0 <=> p = C’(y)
  2. ordens betingelse
    π’‘(y) < 0 <=> -C’‘(y) < 0 <=> C’‘(y) > 0
  3. krav
    Dekningsbidraget skal være større eller lik 0
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10
Q

Funksjonen f(L,K) kalles homogen av grad a+b

A

F(tL,tK) = t^(a+b) F(L,K)

a+b = 1: konstant skalautbytte
a+b < 1: avtakende skalautbytte
a+b > 1: tiltakende skalautbytte

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11
Q

Marginalinntekt (MR)

A

MR = R’(x) = p’(x)x + p(x)x’

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12
Q

Salgsinntekter

A

R(x) = p(x)*x

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13
Q

Marginalkostnad etter stykkskatt

A

MC^t: MC + t, der t: stykkavgift

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14
Q

Produktmaksimeringsproblemet

A

y = f(L,K) gitt C = wL + rK, der w og r er priser for L og K og C er strl. på budsjett

Betingelser
1. wL + rK = C
2. TSB = w/r <=> f’L/f’K = w/r

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