ECOS3997: Interdiscplinary Project in Economics
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ECOS3997: Interdiscplinary Project in Economics
Notes and assessment criteria for written report
Your task is to analyse pricing data and write a report for the state government of NSW on the retail market for petrol in Sydney on a question of your choosing. Here are some suggested topics for you to consider.
1. Price cycles: Are there cycles in retail prices in Sydney? What explains the dynamic pattern of prices in the Sydney market? What evidence is there for your explanation? What are the vulnerabilities of your explanation?
2. Holiday prices: Do retailers set higher prices on weekends and holidays? Provide evidence for your conclusions.
3. Your choice: Choose your own topic. Feel free to ask me ahead of time about your proposed topic.
Assessment is based on written communication; and your ability to articulate empirical analysis and theoretical arguments.
The report has a length of 3000 words. This is a maximum, not a minimum. Writing concisely is a skill. If your report is well over 3000 words, I will assess your report based on only the first 3000 words.
Assessment against criteria |
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Weighting |
Clear and coherent exposition of arguments |
HD |
D |
C |
P |
F |
40 |
Analysis is logical and justified in terms of eco- |
HD |
D |
C |
P |
F |
30 |
nomic concepts |
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|
|
|
|
|
Writing: appropriate style, free of spelling and |
HD |
D |
C |
P |
F |
20 |
grammatical errors |
|
|
|
|
|
|
Quality, consistency and relevance of refer- |
HD |
D |
C |
P |
F |
5 |
ences |
|
|
|
|
|
|
Clear and appropriate formatting |
HD |
D |
C |
P |
F |
5 |
Total |
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|
|
|
|
100 |
HD=85 + ; D=75-84; CR= 65-74; P=50-64; F=0-49
You are free to organise your report how you would like. Below is a suggested format for you to consider. (Examples are based on topic 1 above.)
1. Introduction: What is the motivation for the report, and how will it be organised?
2. Background: Provide background information that will be useful for answering the main questions of the report. For example, how do you define a price cycle? What are the main theories of price cycles that you will consider in the report? What is the logic of each theory, and what assumptions does it rely on?
3. Cycles: Relative to the definition of a price cycle you have introduced in the previous section, do you find evidence for the existence of price cycles in the sample dataset? What is the logic and evidence behind your conclusion?
4. Explanations: What theory do you find most convincing as an explanation for the pattern of pricing that you have uncovered? What logic and evidence supports your conclusions? What are the weak points or vulnerabilities of your explanation?
5. Conclusion: The conclusion is an opportunity for you to summarise the main arguments you have made in the report.
A number of students have indicated that it is a challenging task to summarise the large volume of data available for this project. I agree that this is a challenging task, and one that we have not trained for during this unit. Therefore, I would like to offer an alternative. If you would like, you can use the charts below as a basis for your report. There is no requirement that you use these charts. You are encouraged to produce your own charts for analysis if this is feasible for you, or to supplement the charts below with your own. I will take into account the work and creativity you have put into producing your own charts if you choose this option.
I have uploaded these charts onto Canvas at the following link: chart pack
Figure 1 contains hourly brand average prices for five of the largest firms in the market for the year of 2021. The terminal gate price ("TGP") in black is an indication of the wholesale price of refined petrol in Sydney. Each coloured line represents, for one brand, the average price across each of its stations.
Figure 2 presents retail prices for individual stations from January to March, 2021. Each panel shows the retail prices of each station of a particular brand (coloured lines), together with the terminal gate price (in black).
Figure 3 contains equivalent information for April to June, 2021.
Figure 4 contains equivalent information for July to September, 2021.
Figure 5 contains equivalent information for October to December, 2021.
Jun
Date (2021)
Jul
Figure 2: Station-level prices by brand
Station-level prices, 7-Eleven
Station-level prices, BP
18
Station-level prices, Caltex
Station-level prices. Coles Express
Date (2021)
Date (2021)
Date (2021)
Station-level prices, Ampol
Station-level prices, Caltex
Date 2021
Date (2021)
Date 2021
Date (2021)
Station-level prices, Ampol
May Jun
Date (2021)
Station-level prices, 7-Eleven
Aug Sep
Date (2021)
£ 140
Station-level prices, BP
q.160
£140
Aug Sep
Date (2021)
200
Station-level prices, Caltex
Aug Sep
Date (2021)
■3.160
£ 140
200
q.160
£140
Station-level prices, Caltex Woolworths
Aug Sep
Date (2021)
200
Aug Sep
Date (2021)
Station-level prices. Coles Express
q.160
£ 140
Aug Sep
Date (2021)
200
q.160
£140
Station-level prices, Ampol
180
Station-level prices, 7-Eleven
120
Dec
Date (2021)
Station-level prices, Caltex
120
Dec
Date (2021)
120
Nov Dec
Date (2021)
Date 2021
Nov
Date (2021)
Station-level prices, Ampol
Nov Dec
Date (2021)
2022-04-28