THE BMZ ACADEMY
THE BMZ ACADEMY
053 8213
BMZ ACADEMY 061 262 1185/068 053 8213Page 1 of 18
, THE BMZ ACADEMY
IMPORTANT NOTES TO CONSIDER
THIS IS ONLY A FRAMEWORK, NO ONE SHOULD SUBMIT IT FOR FINAL
ASSESSMENT.
STUDENTS SHOULD COMPLETE THEIR OWN ASSIGNMENT, BUT KEEP IN MIND
THE RULES/INSTRUCTIONS
AS A TIP, IF YOU FIND THIS GUIDE USEFUL, YOU CAN CALL/WHATASPP US IF
YOU WANT A UNIQUE AND CUSTOMISED SOLUTION, SOMETHING THAT WE
GIVE YOU ALONE AND NOT SHARED WITH OTHER PEOPLE NOR SOLD ON
STUVIA AND OTHER ONLINE SITES
********************************************************************************************
AT BMZ Academy, WE WISH YOU THE BEST IN ALL YOUR STUDIES.
WE ARE YOUR MATES TO PASSING EXCELLENTLY IN ALL YOUR STUDIES.
DO NOT FORGET TO REACH OUT TO US FOR ANY FURTHER AND OTHER
ASSISTANCE!
GOOD LUCKY
BMZ ACADEMY 061 262 1185/068 053 8213
, THE BMZ ACADEMY
Question 1 (10 marks)
1.1 The idea of trade-offs in microeconomics (2 marks)
A trade-off exists because resources namely time, money, labour and raw materials;
are scarce relative to the unlimited wants of individuals, firms and society, so choosing
more of one thing always means giving up some amount of something else (Pindyck
& Rubinfeld, 2018). In practical terms, when a consumer has a fixed income, spending
more on one good leaves less money available to spend on other goods; when a firm
has a fixed budget or fixed production capacity, producing more of one product means
producing less of another; and when a government has a fixed tax revenue, spending
more on one public service (for example healthcare) means spending less on another
(for example education). The idea of a trade-off is therefore central to microeconomics
because it forces individuals, firms and policymakers to make choices under scarcity,
and it is precisely this need to choose between competing alternatives that gives rise
to the concept of opportunity cost; the value of the next-best alternative that is given
up when a choice is made (University of South Africa, 2026).
1.2 Differentiating between the concept pairs (4 marks)
(a) Infinitely elastic and completely inelastic demand
Demand is infinitely (perfectly) elastic when the price elasticity of demand is equal to
negative infinity: even the smallest increase in price causes quantity demanded to fall
to zero, so the demand curve is a horizontal straight line at the prevailing price
(Pindyck and Rubinfeld, 2018). This typically arises when a good has many perfect
substitutes available at the same price, so that consumers switch away entirely at the
slightest price increase. Demand is completely (perfectly) inelastic, by contrast, when
the price elasticity of demand is equal to zero: quantity demanded does not change at
all regardless of how much the price changes, so the demand curve is a vertical
straight line at a fixed quantity. This occurs for goods with no substitutes that
consumers must purchase in a fixed amount irrespective of price, such as a life-saving
medicine with no alternative treatment. The key distinction is therefore that infinitely
BMZ ACADEMY 061 262 1185/068 053 8213
-3-
THE BMZ ACADEMY
053 8213
BMZ ACADEMY 061 262 1185/068 053 8213Page 1 of 18
, THE BMZ ACADEMY
IMPORTANT NOTES TO CONSIDER
THIS IS ONLY A FRAMEWORK, NO ONE SHOULD SUBMIT IT FOR FINAL
ASSESSMENT.
STUDENTS SHOULD COMPLETE THEIR OWN ASSIGNMENT, BUT KEEP IN MIND
THE RULES/INSTRUCTIONS
AS A TIP, IF YOU FIND THIS GUIDE USEFUL, YOU CAN CALL/WHATASPP US IF
YOU WANT A UNIQUE AND CUSTOMISED SOLUTION, SOMETHING THAT WE
GIVE YOU ALONE AND NOT SHARED WITH OTHER PEOPLE NOR SOLD ON
STUVIA AND OTHER ONLINE SITES
********************************************************************************************
AT BMZ Academy, WE WISH YOU THE BEST IN ALL YOUR STUDIES.
WE ARE YOUR MATES TO PASSING EXCELLENTLY IN ALL YOUR STUDIES.
DO NOT FORGET TO REACH OUT TO US FOR ANY FURTHER AND OTHER
ASSISTANCE!
GOOD LUCKY
BMZ ACADEMY 061 262 1185/068 053 8213
, THE BMZ ACADEMY
Question 1 (10 marks)
1.1 The idea of trade-offs in microeconomics (2 marks)
A trade-off exists because resources namely time, money, labour and raw materials;
are scarce relative to the unlimited wants of individuals, firms and society, so choosing
more of one thing always means giving up some amount of something else (Pindyck
& Rubinfeld, 2018). In practical terms, when a consumer has a fixed income, spending
more on one good leaves less money available to spend on other goods; when a firm
has a fixed budget or fixed production capacity, producing more of one product means
producing less of another; and when a government has a fixed tax revenue, spending
more on one public service (for example healthcare) means spending less on another
(for example education). The idea of a trade-off is therefore central to microeconomics
because it forces individuals, firms and policymakers to make choices under scarcity,
and it is precisely this need to choose between competing alternatives that gives rise
to the concept of opportunity cost; the value of the next-best alternative that is given
up when a choice is made (University of South Africa, 2026).
1.2 Differentiating between the concept pairs (4 marks)
(a) Infinitely elastic and completely inelastic demand
Demand is infinitely (perfectly) elastic when the price elasticity of demand is equal to
negative infinity: even the smallest increase in price causes quantity demanded to fall
to zero, so the demand curve is a horizontal straight line at the prevailing price
(Pindyck and Rubinfeld, 2018). This typically arises when a good has many perfect
substitutes available at the same price, so that consumers switch away entirely at the
slightest price increase. Demand is completely (perfectly) inelastic, by contrast, when
the price elasticity of demand is equal to zero: quantity demanded does not change at
all regardless of how much the price changes, so the demand curve is a vertical
straight line at a fixed quantity. This occurs for goods with no substitutes that
consumers must purchase in a fixed amount irrespective of price, such as a life-saving
medicine with no alternative treatment. The key distinction is therefore that infinitely
BMZ ACADEMY 061 262 1185/068 053 8213
-3-
