Demand Revisited
This post is to add further resources on the concept of demand, for those who wish to follow up on this absolutely essential concept in Economics. First, however, I recommend you use the resources on this post to learn about demand:
1) Videos
What is a demand curve? by 
Note – I think part of his second to last sentence should state “… the basic relationship between quantity demanded and changes in price …”
Deriving a demand curve, given a demand schedule by FreeEconHelp
Demand curve video by jessicaweldon22
Note – at one point she claims the market is the whole planet’s population, but we can talk about more specific, smaller markets than that. E.g. the market for cars in Thailand.
The Demand Curve Part 1 by milespritchardecon1
The Demand Curve Part 2: Shifts In Demand by milespritchardecon1
Change in demand / change in quantity demand by vaacon1
Various factors (short clips) affecting demand by vaacon1:
The diagrams are quite hard to see on the whiteboard, but the explanations and examples are clear.
Demand shifts – prices of related goods
Demand shifts – expectations of future prices
Demand shifts – Income
Demand shifts – Number of buyers
Demand shifts – Preferences
As he adds, in text, part way in, he makes a mistake early on and mentions shifts in supply, when he is actually discussing shifts in demand.
2) Interactive Activities
A Demand Curve (imperial.ac.uk)
Animated Economics – Demand Curves
John Wiley Economics – Shift Versus Movement Along The Demand Curve
Demand by yknot.terapad.com
Graphing The Demand Curve (glecnoe.com)
Increase / Decrease in Demand by BlackBoards.com
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