While panelist from The Onion debate this issue, deleterious economic policies in the real world can have a profound impact on the growth, stagnation and decline of wealth and well-being.
For instance, Mugabe has single handedly set Zimbabwe’s standard of living back to pre-Industrialized levels. (1 2)
Furthermore, strict adherence to legislation like the Kyoto Protocol would stymie the growth of Western economies and curtail growth in many developing countries; preventing them from lifting themselves out of subsistent lifestyles. (1 2 3)