i | This is the website of Dr Emilie J. Rutledge who, with almost two decades’ worth of experience in managing, designing and delivering university-level economics courses, is currently Head of the Economics Department at The Open University.
![]() erutledge.com ![]() Dr Emilie J. Rutledge Emilie has published over 20 peer-reviewed papers and is the author of “Monetary Union in the Gulf.” Her current research focus is on employability, the feasibility of universal basic incomes and, the oil-rich Arabian Gulf’s economic diversification and labour market reform strategies. On an ad hoc basis, Emilie provides consultancy on developing interactive university courses, alongside analytical insight on the political-economy of the Arabian Gulf. |
Economic concepts: Demand Curves
In this exercise, we will consider the concept and usage of demand curves using U.K. ice cream sales as an example:
Economics in Context DD126 – Practice Modelling the Demand Curve
— Definition and explanations
— Tasks
— Answer Key
Modelling Demand: Understanding and utilising “Demand Curves”
— A PowerPoint presentation
On this page you will find the following information:
01. — Demand curves: explained
02. — Demand curves: exercises
03. — Selected references
— § § § —
01. — Demand curves: explained
01. — Demand curves: explained
02. — Demand curves: exercises
03. — Selected references
Factors that shift the demand curve
Shifts in the Demand Curve
Consumer Income
Prices of Related Goods
Tastes and Preferences
Presentation in full:
Modelling Demand: Understanding and utilising “Demand Curves”
— § § § —
02. — Demand curves: exercises
01. — Demand curves: explained
02. — Demand curves: exercises
03. — Selected references
Demand Curve Graph
Questions
Q1.
The price of ice creams decreases from point A to point B on D1. What happens to the quantity of ice creams demanded?
Q2.
The economy expands and consumers see an increase in their income.
Q3.
Consumers become more health conscious and shift their preferences towards healthier alternatives; what happens to demand?
Q4.
The summer is very hot; what happens to demand for ice creams?
Q5.
The price of ice lollies — a substitute good — decreases. How does this impact on demand?
— § § § —
03. — Selected references
01. — Demand curves: explained
02. — Demand curves: exercises
03. — Selected references
Davis, C. G., Blayney, D. P., Yen, S. T., & Cooper, J. (2009). An analysis of at-home demand for ice cream in the United States. Journal of Dairy Science, 92(12),
6210–6216. doi:https://doi.org/10.3168/jds.2009-2536
IBISWorld (2020). Ice Cream Production in the UK – Market Research Report. Retrieved, https://www.ibisworld.com/united-kingdom/market-research-reports/ice-cream-production-industry/
Johnes, G. (2018, July 30). More ice cream, less sticky toffee pudding: the subtle effect of the weather on the UK economy. LSE British Politics and Policy [London School of Economics and Political Science]. Retrieved, https://blogs.lse.ac.uk/politicsandpolicy/heatwave-impact-economy/