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"Everyone understands the system from their own domain. An engineer would see it very differently from an economist. What we should be doing is to get them, as well as architects and urban planners, to sit at the same table and speak the same language to build an optimized hub system. But that's very rare in academia and in real life."

"Entrepreneurs have taken the government's signals to heart and are avoiding investment that may be subject to unstable trade policy impulses," Paal said. "Predictable policy to support manufacturing would do just that. Trump's efforts are the opposite of predictable."

"Didi's intensified overseas efforts, including this fresh fundraising, will no doubt pose a great threat to Uber. Uber's valuation is shrinking due to its operation problems while we witness Didi is ascending in overseas markets through cooperating with local partners," Zhang added. In the past few years, Didi Chuxing has been pushing its overseas presence rapidly with investments in several of Uber's rivals globally, including US-based Lyft, Brazil-based 99, India's Ola, Singapore-headquartered Grab, Estonia's Taxify and Careem in the Middle East. It also ended the battle with Uber in the Chinese market last year by acquiring Uber's local business.

"Even as women have gained equality in access to education and work, decisions on having more children are constrained by their 'second shift' in taking care of children and managing households," said Won Do-yeon, chief of the UNFPA's Seoul office, in an email interview with Reuters.

"Digitization is further realizing the potential for the cross-border supply of services. E-commerce related services trade has now taken up an increasing share of the world trade in services," she noted.