mag502 slide kurva monopoli dan monopsoni

Fungsi Demand dan MR
Q = β 0 − β1 P

β1 P = β 0 − Q
P=

β0 Q
−
β1 β1

P = α 0 − α1Q
TR = PQ
= (α 0 − α1Q )Q
= α 0Q − α1Q 2
MR =

∂TR
= α 0 − 2α1Q
∂Q

Kurva Demand dan MR

Rp

Monopoly
overcharge

Demand
Pm
Monopoly
profit

DWL

Pc

MC
MR
Qm

Qc

Fungsi Demand dan MR

Fungsi Supply dan MO

Q = β 0 − β1 P

Q = β 0 + β1 P

β1 P = β 0 − Q

β1 P = Q − β 0

β Q
P= 0 −
β1 β1

P=−

P = α 0 − α1Q

P = α 0 + α1Q

TR = PQ

TO = PQ

= (α 0 − α1Q )Q

= (α 0 + α1Q )Q

= α 0Q − α1Q

2

∂TR
MR =
= α 0 − 2α1Q
∂Q

β0 Q
+
β1 β1

= α 0Q + α1Q 2
MO =

∂TO
= α 0 + 2α1Q
∂Q

Kurva Supply dan MO
MO

Rp

MV

Demand
Monopsony

underexpend
nd

Pc
Monopsony
profit
Pm

DWL