The last thing we need is a tax on children in societies with sub-replacement fertility. A world without growth is a terrible place. (Before you object: yes, economic growth isn&#x27;t the same as population growth. But to get economic growth with a declining population, you need productivity to grow faster than the population declines, and we&#x27;re already having trouble keeping productivity growth up.)<p><a href="http:&#x2F;&#x2F;www.nytimes.com&#x2F;2015&#x2F;12&#x2F;02&#x2F;business&#x2F;economy&#x2F;imagining-a-world-without-growth.html" rel="nofollow">http:&#x2F;&#x2F;www.nytimes.com&#x2F;2015&#x2F;12&#x2F;02&#x2F;business&#x2F;economy&#x2F;imagining...</a>