Investment is expenditure on capital goods – for example, new machines, offices, new technology. Investment is a component of Aggregate Demand (AD) and also influences the capital stock and productive capacity of the economy (long-run aggregate supply) Summary – Investment levels are influenced by: Interest rates (the cost of borrowing) Economic growth (changes in demand) Confidence/expectations …
Money illusion is the belief that money has a fixed value and the effects of inflation are ignored. Because of money illusion, during inflation, individuals may perceive an increase in nominal income as higher welfare – when this is actually an illusion and their real spending power has not changed because prices have risen at …
The broken window fallacy states that if money is spent on repairing the damage, it is a mistake to think this represents an increase in economic output and economic welfare. If money is spent on repairing a broken window, the opportunity cost is that individuals cannot spend money on more productive goods. The broken window …
Readers Question: explain how economists define ‘full employment’? The first definition of full employment would be the situation where everyone willing to work at the going wage rate is able to get a job. This would imply that unemployment is zero because if you are not willing to work then you should not be counted …
Inflation means a sustained increase in the general price level. The main two types of inflation are Demand-pull inflation – this occurs when the economy grows quickly and starts to ‘overheat’ – Aggregate demand (AD) will be increasing faster than aggregate supply (LRAS). Cost-push inflation – this occurs when there is a rise in the …
There are many areas of economics where respected economists may take up contrary opinions. Some of the main macroeconomic controversies include Keynesian vs Monetarist views on managing the economic cycle (role of fiscal policy) Real business cycle theories – the argument the economic cycle comes from supply, not demand. Whether there is a trade-off between …
Readers question: Why cannot politics and economics be seen in isolation? Economics is concerned with studying and influencing the economy. Politics is the theory and practice of influencing people through the exercise of power, e.g. governments, elections and political parties. In theory, economics could be non-political. An ideal economist should ignore any political bias or …
Economics is a broad subject concerned with the optimal distribution of resources in society. Within the subject, there are several different branches which focus on different aspects. Also, there are different schools of thought which generally have different views on aspects of economics. The first way to split economics is microeconomics and macroeconomics. Microeconomics – …