The structure of South Africa?s models is high level and does not account for country-specific factors, writes Seán Mfundza Muller.
Modelling is sophisticated guesswork and models, other than those in sciences like physics, are almost always wrong to some degree.
At the core of this year?s Budget proposals from South Africa?s national Treasury is the admission that national debt is no longer expected to stabilise.
A major concern is that the government?s resolve is strongest on policies that are actually quite suspect.
President Cyril Ramaphosa and Finance Minister Tito Mboweni appear to have good intentions for the economy. But that's not enough.
The only way out of South Africa's crisis is a societal agreement that recognises the need for sacrifices.
The Parliamentary Budget Office should provide impartial, expert advice to parliamentarians about public finance issues. But the office is in disarray
South Africa isn't having an honest debate about proposals to fix Eskom, and the role that renewables might play writes Seán Mfundza Muller.
The power utility's financial statements need scrutiny, writes Seán Mfundza Muller