Economic Activity and Energy - Flashcards

Flashcards about Economic Activity and Energy

What are the four economic sectors?

Primary (raw materials), Secondary (manufacturing), Tertiary (services), Quaternary (research/tech).

What does the Clark-Fisher Model show?

It shows how employment shifts from primary to tertiary and quaternary sectors as countries develop.

What factors affect the location of economic activity?

Raw materials, cheap labour, transport, technology, globalisation, government policies.

Why does employment in economic sectors change over time?

Changes in raw materials, globalisation, mechanisation, demographics, and government policies.

Give a positive and negative impact of economic sector shifts.

Positive: Higher income. Negative: Job losses in traditional sectors.

Name one HIC and one LIC/NEE you could use to show sector shifts.

HIC: UK (deindustrialisation). LIC/NEE: India (IT sector growth).

What causes informal employment in megacities?

Rural-urban migration and lack of formal jobs.

What are some characteristics of informal employment?

No contracts, low pay, unstable but flexible.

Name a megacity with informal employment.

Dharavi (Mumbai), Kibera (Nairobi).

What is Malthus' theory about population and resources?

Population will outgrow food supply, leading to famine.

What is Boserup's theory about population and resources?

Population growth drives innovation and increased food production.

What factors affect global energy demand and production?

Population growth, industrialisation, technology, access to resources.

What are examples of non-renewable energy sources?

Coal, oil, natural gas, uranium.

What are the pros and cons of non-renewables?

Pros: Reliable. Cons: Pollution, limited supply.

What are examples of renewable energy sources?

Solar, wind, HEP, geothermal, biomass.

What are the pros and cons of renewables?

Pros: Clean, infinite. Cons: Expensive, weather-dependent.

How can energy be managed sustainably?

Education, efficiency (LEDs, insulation), and conservation (reduce transport, turn off lights).