This is a complete revision package created for 1.2 Business Economics of the Pearson Edexcel IGCSE curriculum. These revision notes can be printed on A3 paper and used as a revision guide for students. 14 The factors of production and sectors of the economy 15 Productivity and division of labour 16 Business costs, revenues and profit 17 Economies and diseconomies of scale 18 Competitive markets 19 Advantages and disadvantages of large and small firms 20 Monopoly 21 Oligopoly 22 The labour market 23 The impact of changes in the supply and demand for labour and trade union activity in labour markets 24 Government intervention