Earlier this month minerals minister Gwede Mantashe claimed at the African Energy Conference that oil and gas exploration would lead to 5 to 8% GDP growth. He was not the first minister to promise or suggest great things for the economy. Think of all those growth and job strategies over 30 years that never went anywhere and cost millions to produce. Of course the Marxist-oriented ANC has never understood how market economies work, not even the liberal-left's heroes Ramaphosa, Manuel, Gordhan and Mboweni (I take issue with the mainstream media's hagiographies of Gordhan and Mboweni, but that's another story). ANC aside, I contend few if any SA politicians understand how the economy works and what's needed for growth, centre-right DA included. The DA said numerous times that in the WC they "created" hundreds of thousands - the number varied over time - of "new jobs" since 2009 when they took power. They based this on a faulty understanding of StatsSA...