Jessiechan

This document is a summary of 3 landforms along a river: upper, middle and lower course. It provides an explanation of how a waterfall/meander/delta is formed with a diagram supporting it. It also contains how the landform has an impact on human life and examples of the landform around the world.

This document is a summary of market power: perfect competition, monopolistic competition, oligopoly, monopoly. It has comprehensive information on cost/revenue curves: ATC, AVC, AFC, MC, MC, AR. The pros and cons of economies of scale as well as the difference between external and internal EofS. There are real-world examples given in terms of natural monopolies.

This document contains notes on globalisation; absolute/comparative advantage diagram; trade diagrams; trading bloc comparisons; currency in the forex market; key terms of international trade; exchange rate mechanism; balance of payments; World Trade Organisation; Marshall-Lerner Condition; exchange rates. This also includes a real-world example about currency movement (George Soros).

This document is a summary that explains with diagrams of externalities: positive consumption externality, positive production externality, negative consumption externality, negative production externality. There is also a summary of common pool resources and public goods.

This document is a summary of the key components of macroeconomics. This includes the business cycle; alternative measures of well-being; aggregate demand; aggregate supply; Keynesian vs Classical; unemployment; inflation; consumer price index (CPI); inequality.