Market concentration, alongside financialization and the climate crisis, is increasingly perceived as a major problem in contemporary capitalism. The fact that significant economic sectors are in the hands of a small number of powerful corporations - a phenomenon that is epitomized by Big Tech...

We estimate structural, materials, and labour markups for the South African economy at the three-digit industry level for 2012-19. The fall in structural labour and materials markups found for the numerical majority of industries are generally isolated to smaller industries, with industries...

The model of perfect competition is one of the most famous, most important, and most misunderstood concepts in economics. Rather than aiming to be a full-blown model of real-world competitive markets, the perfect competition model isolates the decentralized coordination mechanism inherent in all...