Nog oefeninge (Hoofstuk 4 en 7) / Additional exercises (Chapter 4 and 7)

Vraag 1 / Question 1

Consider the market for Coke consumed in South Africa.  For each of the following scenarios, explain whether it could be illustrated by a movement along the demand or supply curve or by a shift of the demand or supply curve.

·         The price of Pepsi, a substitute for coke increases.

·         The price of Coke decreases because of a large increase in the production of Coke

·         The average income of households increases

·         Newspapers report widely that medical research has confirmed that Coke is bad for your health

·         Coke floats become more popular

·         The price of sugar used in the production of Coke decreases

·         Workers in the Coke factory go on strike

Vraag 2 / Question 2

Imagine the market for Blackberry’s can be represented as follows:

Qd = 100 000 – 1000P and

Qs=-20 000 +2000P

Calculate the equilibrium price and quantity algebraically. 

Vraag 3 / Question 3

Gebruik die Inkome Metode om die waarde van BBP te bereken in die volgende geval:

Liezl teel met vars water vis in Potchefstroom. Sy verkoop 100 visse aan ‘n wel bekende restaurant teen R25.00 elk.  Die restaurant verkoop die vis teen spyskaartprys van R85.00 elk.  Operasionele kostes vir die restaurant beloop R1 750 vir lone aan kelners en kombuispersoneel, R2 000 in huur vir die perseel en R850 in rente aan die bank vir die aanvangskapitaal.