Assignment 4 2025
Unique #
Due Date: 15 September 2025
Detailed solutions, explanations, workings
and references.
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, QUESTION 1
Within the circular flow model, households supply labour and consume goods, while
firms provide employment and income. To strengthen economic resilience in
Mitchells Plain, two interventions stand out. First, skills development and training
programmes would raise the quality of labour, increasing employability and
productivity, while also boosting household incomes and consumption, reinforcing
flows of demand and supply.
Second, investment in small business support and infrastructure (such as local
markets, transport, and digital access) would expand entrepreneurial opportunities,
stimulate local production, and create jobs. Together, these interventions enhance
both supply-side capacity and demand-side activity, supporting sustained growth.
QUESTION 2
2.1
Tariffs imposed by the United States on South African and Lesotho exports reduce
the demand for goods from these countries. From the perspective of the Aggregate
Demand–Aggregate Supply (AD-AS) model, this results in a leftward shift of the
Aggregate Demand (AD) curve for both countries.
Exports are a major component of aggregate demand (AD = C + I + G + X − M).
When US tariffs raise the cost of South African and Lesotho exports, demand from
American consumers decreases. This leads to a decrease in export volumes,
reducing net exports and thus aggregate demand.
Impact on the AD-AS Model:
AD shifts left: Lower export demand leads to reduced income for local
exporters and their workers.
Real GDP decreases: With less output being demanded, businesses cut
back on production, slowing economic growth.
Price level falls or stagnates: As demand weakens, price pressures ease or
deflation may occur.
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