Total revenue (TR): This is the total income a firm receives. This will equal price × quantity Average revenue (AR) = TR / Q Marginal revenue (MR) = the extra revenue gained from selling an extra unit of a good Profit = Total revenue (TR) – total costs (TC) or (AR – AC) × Q Profit …
Microeconomic topics Consumer and producer surplus Demand Substitute goods Complements Economies of scale Elasticity Price elasticity of demand Cross elasticity of demand Income elasticity of demand Price elasticity of supply Market equilibrium Production possibility frontiers Positive and normative statements Opportunity cost Specialisation and division of labour Market failure Positive externalities – the benefit to a …
Main topics in macroeconomics Balance of payments Policies to reduce current account deficit Budget deficit Policies to reduce budget deficit Economic growth Causes of Boom and Bust Cycles Policies to increase economic growth Theories of economic growth Recessions Environmental economics Fiscal policy Globalisation Exchange rates Effect of an appreciation Effect of devaluation European Union The …
Economics affects our daily lives in both obvious and subtle ways. From an individual perspective, economics frames many choices we have to make about work, leisure, consumption and how much to save. Our lives are also influenced by macro-economic trends, such as inflation, interest rates and economic growth. Summary – why economics is important The …
Microeconomics is concerned with the economic decisions and actions of individuals and firms. Within the broad church of microeconomics, there are different theories that emphasise certain assumptions and expectations of economic behaviour. The most important theory is neo-classical theory, which places emphasis on free-markets and the assumption individuals are rational and seek to maximise utility. …
A look at some different topics related to the economics of food. Will a rise in population lead to a shortage of food? I think most people have heard of The Dismal Prophecy of Malthus. (though Economics was termed the ‘dismal science’ for different reasons) Writing in the late eighteenth century, T.Malthus argued that the …
The fundamental economic problem is one of scarcity. The basic questions of economics become: What to produce? How to produce? For whom to produce? You could also add When to produce? What to produce? Given limited resources of labour, raw materials and time, economic agents have to decide what to produce. Most primitive economies …
Definition: Scarcity refers to resources being finite and limited. Scarcity means we have to decide how and what to produce from these limited resources. It means there is a constant opportunity cost involved in making economic decisions. Scarcity is one of the fundamental issues in economics. Examples of scarcity Land – a shortage of fertile …