The New Silk Road, also known as the Belt and Road Initiative (BRI), represents China's ambitious plan to rejuvenate the ancient trade route. This sweeping global development strategy has profound implications on international trade, and by extension, the world economy.

The New Silk Road isn't just about a single path but encompasses a 'belt' of overland corridors and a maritime 'road' of shipping lanes. By fostering infrastructure development and investment across Asia, Europe, and Africa, BRI aims to facilitate seamless trade and stimulate economic growth in all the countries involved.

One significant effect of such a vast initiative is the probable shift in global trade dynamics. The BRI could possibly lessen China's reliance on the US market and bolster its ties with other significant trade partners. It is also likely to impact trade tariffs, currency exchange rates, and economic policies across participating nations.

However, critics point out the potential risks of this mega-project. High cost and political issues can threaten the actual implementation of the Belt and Road Initiative; concerns about transparency, debt sustainability, and environmental and social risks are also raised. Furthermore, the tendency for China to use the BRI as a geopolitical tool to gain more control over global trade has also been widely debated.

For business owners and investors, the BRI presents potent opportunities and challenges alike. Understanding the changing landscape of global trade under the shadow of the New Silk Road will be instrumental in formulating successful international business strategies. Companies will need to adopt a legislative approach, considering the socio-political aspects of the nations involved, the competitiveness of the markets, and potential international trade agreements.

Overall, the Belt and Road Initiative has the potential to considerably reshape global economic and trade landscapes. Despite its challenges, if executed effectively, the BRI could offer an unprecedented boost to global trade and economies, heralding a new era in globalisation built on mutual cooperation and shared benefits.

However, one must not forget that each nation's complex and unique socio-economic structure calls for careful tailoring of strategies, ensuring they align with their individual objectives, needs, and capacities. Only by doing so can we truly understand and seize the opportunities of the New Silk Road.