Definitions
Interactive Graph Resources (big thank you to Econgraphs!)
Essay Questions
Distinguish between decreasing returns to scale and the law of diminishing returns. [10m]
Explain the necessary conditions for price discrimination to take place. [10m]
Discuss the advantages and disadvantages of price discrimination for consumers and producers. [15m]
Explain the differences between monopolistic competition and oligopoly as market structures. [10m]
Discuss the differences between a collusive and a non-collusive oligopoly. [15m]
IB Revision 
You guys are amazing, thank you so much for dedicating your time into doing this, it is much appreciated!! 🙂
Hi Ruru – Mark Glew here!! One of my current IB Economics students downloaded one of your essays and recommended your website (small world). I hope you are well – obviously keeping yourself busy !!
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