IB Economics HL 2.11.2 Rational producer behaviour Question Bank
Practise IB Economics HL 2.11.2 by applying rational producer behaviour concepts to exam-style questions.
- Syllabus
- First assessment 2022
- Course
- Economics HL
- Level
- HL
Practise IB Economics HL 2.11.2 by applying rational producer behaviour concepts to exam-style questions.
Note that widgets and pidgets are imaginary products.
In the country of Burbia, the demand and supply of widgets are given by the functions
where Qd is the quantity demanded per month, Qs is the quantity supplied per month and P is the price per widget in dollars ($).
Draw and label the marginal revenue (MR) curve for the 2018 Football World Cup final.
For an accurate, labelled MR curve.

(I) Using the diagram on page 6 and your answers to parts (j) and (k), explain how the organizers could achieve their goal of profit maximisation.
zation.
Level
Marks
0
The work does not meet a standard described by the descriptors below.
1
The written response is limited.
1-2
For explaining that profits will be maximised where MR=MC (or that TR - TC is maximised) [1].
and that MC=0 in this case OR for explaining that since there are no variable costs (or only fixed costs), maximum profit will occur at the same quantity as maximum revenue, which is when MR = 0 [1].
2
The written response is accurate.
3-4
And for explaining that profits will therefore be maximised when Q is 60000 [1].
At a price of $800 [1].