For instance, a study covering 18 OECD countries found that major tax cuts for the rich did not lead to significant gains in growth or employment — though they did lead to higher income inequality (3). That’s why critics say the theory has been “debunked.” But some economists argue the benefits still exist — they’re just smaller, slower and more diffuse than early advocates promised (4).Most modern research finds little evidence that tax cuts for the wealthy generate broad job growth or rising wages (2).Set ...