DP Economics
Question 19N.1.HL.TZ0.2a
Date | November 2019 | Marks available | [Maximum mark: 10] | Reference code | 19N.1.HL.TZ0.2a |
Level | HL | Paper | 1 | Time zone | TZ0 |
Command term | Explain | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 10]
19N.1.HL.TZ0.2a
(a)
Explain how two types of economies of scale can lead to a fall in long-run average costs.
[10]
Markscheme
PLEASE NOTE: This question part is not on the syllabus for first teaching 2020/first exams 2022.
Marks should be allocated according to the paper 1 markbands for May 2013 forward, part A.
Answers may include:
- definitions of economies of scale, long-run average costs
- diagram to show movement along the downward-sloping portion of the long-run average cost curve
- explanation of how economies of scale lead to lower average costs as a firm increases scale of production in the long run that refers to two clearly different types of economies of scale, such as specialization, efficiency, marketing and indivisibilities
- examples of specific firms (or industries) that have possibly experienced falling long-run average costs in practice because of economies of scale.



