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07 April 2025 Photo Supplied
Dr Calvin Mudzingiri
Dr Calvin Mudzingiri, Assistant Dean: Faculty of Economic and Management Sciences, University of the Free State, Qwaqwa Campus.

Opinion article by Dr Calvin Mudzingiri, Assistant Dean: Economic and Management Sciences, University of the Free State, Qwaqwa Campus 


The sudden hike of import tariffs by US President Donald Trump and his administration to countries across the world is set to reduce the volume of goods traded and affect citizen welfare across the globe. The Trump administration implemented a global 10% import tariff and a varying targeted reciprocal tariff to a host of countries, including South Africa. The reciprocal import tariff to be levied on South African export goods to the US is set at 30%. Historical data show that yearly trade between SA and US amounts to $23 billion and the US is SA’s the second biggest trading partner after China. The high tariff will reduce the competitiveness of South African export goods to American markets, leading to reduced demand of SA exports in US markets, low income to firms, job losses, low income to households and ultimately lower South African economic growth.

 

SA and US trade

South Africa exports platinum, locally assembled cars, raw aluminium, ferroalloys and agriculture products, among other goods, to the US. The implication of the US administration’s 30% tariff hike could result in job losses in the mining, automobile, agriculture and many other industries. More income losses to SA agricultural exports can also be experienced if the African Growth Opportunity Act (AGOA) expires in September 2025, if the US congressmen decide not to renew the agreement. Given the low economic growth rate in South Africa in 2024, which is estimated at 0.6%, the tariff hike by the US will exacerbate sluggish economic growth and recovery from the COVID 19 pandemic. 

Statistics also show that SA imports energy products, machinery, vehicle, industrial and other consumer goods. The goods and services SA imports from the US play a critical role in developing and sustaining local industry. SA can decide to source the goods from other markets and if this happens with all economies where tariffs were imposed, the US will be worse off. There is a possibility that economies which received a tariff hike from the US will implement a reciprocal tariff hike to the US reducing the volume of global trade. The reduced trade volumes have dire implications for job creation, income generation by firms and households, making citizens worse off.


US current trade policy

It is important to note that President Trump administration’s trade policies are premised on a trade notion synonymous to ‘mercantilism’, which was practised in Europe between the 16th to 18th centuries. Under mercantilism, an economy aims to maintain a trade surplus, the government regulate the economy, discourage imports (in the case of the US using tariff hikes) and promote growth of home industries among other initiatives. Conventional economics wisdom has proved that policies pursued by the Trump administration of protectionism are a breeding ground for trade wars. There is great potential of fellow trading partners retaliating and if that happens, global citizens will be made worse off as they will be forced to pay high prices for goods due to additional costs driven by tariff hikes. In addition, US industry relies on raw materials from other countries. If the suppliers of raw material resources retaliate, the production cost model of US firms will rise, reducing export competitiveness of US exports.

Trump’s administration is calling for firms across the world to move and produce goods in the US to avoid tariff levies. The action works against the benefits of free trade and can affect firms’ comparative advantages. The production cost structure in the US can be higher than in other countries leading to firms realising low profits if they move to the US. It is essential to note that free trade with absolutely no trade barriers will enhance the welfare of citizens at large, since goods and services will be purchased at low prices. The US government’s act of over-regulating trade can limit economic growth not only of other countries but even that of the US economy.

 

Options for the SA government

In the face of trade adversity, the SA government must not fold its hands and do nothing. It is enlightening to note that the authorities have already initiated diplomatic and trade negotiations. Negotiations can possibly focus on tariff reduction, maintaining the AGOA, and delving deep in the logic used to arrive at the 30% tariff hike. The diplomatic initiatives must encompass improving perceptions and clarity of SA policies such as the Expropriation Act which is one of the reasons cited by the US administration in ratcheting the tariff trade war.

South Africa must re-orient its trading patterns and partnerships. The aggregate world gross domestic product (GDP) is greater than the US total production for goods and services. There is need for SA to improve trade relations with other economies to broaden its trade base. The current frosty trade relationship between SA and the US presents a window to strengthen trade with the EU, Asia, BRICS plus, Africa, and any other economy willing to get into trade partnerships. SA must explore other markets where the export goods still enjoy competitiveness.

To ensure economic resilience to trade wars in the long run, SA needs to seriously invest in research and development that promote value addition of local production, enhancing local production and technology advancement that can stimulate economies of scale, which can boost competitiveness of export goods. Competitiveness can be further enhanced by improving energy production efficiency, which is a crucial input of goods and services production. Developing a powerful and skilled human capital base can lead to labour productivity efficiency, further enhancing competitiveness. SA has a dilapidated infrastructure ranging from roads, rail, buildings and industry among others. Improving the infrastructure will go a long way in improving local production, leading to creation of jobs and improved incomes for households.

Boosting local economic activity can stimulate local consumption of goods as household income improves. If the incomes of SA citizens improve, there is a potential to increase local consumption. Goods meant for export markets can end up being consumed in the domestic markets, providing a homemade solution to dwindling export goods markets. The SA government must consider developing and supporting new industries that can compete in the local and international markets. In this way, the trade challenges posed by unfriendly US administration trade policies can present opportunities to the SA economy in the long run.

News Archive

Research helps farmers save with irrigation
2017-02-15

Description: Irrigation research Tags: Irrigation research

Marcill Venter, lecturer in the Department of
Agricultural Economics at the University of the
Free State, has developed the mathematical
programming system, Soil Water Irrigation
Planning and Energy Management in order to
determine irrigation pump hours.
Photo: Rulanzen Martin

Her advice to farmers is that they should make sure they are aware of the total cost (investment and operating costs) of an irrigation system. In most cases the investment cost is low, but the operating cost over the lifetime of the system is high.

“It is very important to have a look at the total cost and to install the most economic system,” says Marcill Venter, lecturer at the University of the Free State (UFS), who has done research on the economic sustainability of water-pipe systems.

Irrigation systems important components for farming
This research comes at a time when many farmers are relying on their irrigation systems due to persistent drought and low rainfall during 2016. South Africa has also experienced an abnormal increase in electricity tariffs in recent years. Due to tariff increases which threaten the future profitability of irrigation producers, the Water Research Commission (WRC) has launched and financed a project on the sustainable management of irrigation farming systems. “I had the opportunity to work on the project as a researcher,” says Venter.

The heart of every irrigation system is the water pipes that bring life to crops and livestock, and this is what Venter’s research is about. “Water pipes are part of the whole design of irrigation systems. The design of the system impact certain factors which determine the investment and operating costs,” she says.

Mathematical system to help farmers
Venter and Professor Bennie Grové, also from the Department of Agricultural Economics at the UFS, designed the Soil Water Irrigation Planning and Energy Management (SWIP-E) programming model as part of the WRC’s project, as well as for her master’s degree. “The model determines irrigation pump hours through a daily groundwater budget, while also taking into account the time-of-use electricity tariff structure and change in kilowatt requirements arising from the main-line design,” says Venter. The model is a non-linear programming model programmed in General Algebraic Modeling System (GAMS).

Design of irrigation system important for sustainability

The main outcome of the study is that the time-of-use electricity tariff structure (Ruraflex) is always more profitable than the flat-rate structure (Landrate). The interaction between the management and design of a system is crucial, as it determines the investment and operating costs. Irrigation designers should take the investment and operating cost of a system into account during the design process. The standards set by the South African Irrigation Institute (SAII) should also be controlled and revised.

Water-pipe thickness plays major role in cost cuts
There is interaction between water-pipe thickness, investment and operating costs. When thinner water pipes are installed, it increases the friction in the system as well as the kilowatt usage. A high kilowatt increases the operating cost, but the use of thinner water pipes lowers the investment cost. Thicker water pipes therefore lower the friction and the kilowatt requirements, which leads to lower operating costs, but thicker pipes have a higher investment cost. “It is thus crucial to look at the total cost (operating and investment cost) when investing in a new system. Farmers should invest in the system with the lowest total cost,” says Venter.

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