Study Notes
Investment in economics refers to spending on capital goods like machinery and technology, which are used to produce other goods and services in the future. It plays a crucial role in economic growth, employment, and development.
- Investment — expenditure on capital goods used for future production. Example: Buying new machinery for a factory.
- Gross Investment — total expenditure on new capital goods, including replacement of depreciated capital. Example: A company spends $1 million on new equipment, including replacing old machines.
- Net Investment — actual increase in capital stock, calculated by deducting depreciation from gross investment. Example: If gross investment is 200,000, net investment is $800,000.
- Depreciation — reduction in value of capital goods over time due to wear and tear. Example: A machine loses $10,000 in value each year due to usage.
Exam Tips
Key Definitions to Remember
- Investment: Expenditure on capital goods for future production.
- Gross Investment: Total spending on new capital goods, including depreciation.
- Net Investment: Increase in capital stock after accounting for depreciation.
Common Confusions
- Confusing gross investment with net investment.
- Misunderstanding the impact of interest rates on investment decisions.
Typical Exam Questions
- What is investment in economics? Investment is the expenditure on capital goods used for future production.
- How does low investment affect an economy? Low investment can lead to slower economic growth and reduced employment opportunities.
- What factors influence investment decisions? Interest rates, expected returns, economic stability, and government policy.
What Examiners Usually Test
- Understanding of the role of investment in economic growth.
- Ability to differentiate between gross and net investment.
- Knowledge of factors influencing investment decisions.