Peru Nut Growers Association hires a team of botanists to develop a new “national nut,” which it intends to export globally.
The demand curve for Peru Nuts is given by Qd = 120 − 0.03P,
where Q is the quantity in thousand of tons of nuts, and P is the
price of a ton of nuts (in US dollars).
The supply curve for Peru Nuts is given by Qs = 0.11P.
Compute the equilibrium price,
quantity, and producer surplus
for Peruvian nut growers.
Equilibrium price:
Equilibrium price is calculated at a point where quantity demanded = quantity supplied.
Qd = Qs
120 - 0.03P = 0.11P
120 = 0.11P + 0.03P
120 = 0.14P
120 / 0.14 = P
P = $857.14
To calculate equilibrium quantity, put value of P in the demand and supply equation:
Qd = 120 - 0.03 ($857.14) = 94.28
Qs = 0.11 x $857.14 = 94.28
Thus, 94.28 units is the equilibrium quantity, because Qd = Qs at this quantity.
Producer surplus:
Produer surplus = (equilibrium price - minimum price to sell) x
equilibrium {Minimum price to sell can be calculated by keeping
quantity sold or Qd to be 0 and the corresponding price can be the
minimum price}
PS = ( 857.14 - 4000) x 94.28
PS = - 296308.841
Thus, producer surplus is negative in this case.
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