Enhancing Financial Connectivity between Asia and Europe: Implications for Infrastructure Convergence between the Two Regions (ADBI)

If Asian countries agree to offer 50% of their spillover revenue to infrastructure investors from Europe, this might increase the rate of return of long-term investment funds.

https://www.adb.org/publications/enhancing-financial-connectivity-between-asia-and-europe

Domestic and International Considerations Hamper Development of Russo-Chinese Rail Links (The Jamestown Foundation)

The common desire of Moscow and Beijing to develop railways linking Asia with Europe is not making as much progress as the two parties had hoped or as many had expected. This is due in part to international concerns involving third countries, including the Central Asian states, but it mostly stems from domestic political considerations inside Russia.

https://jamestown.org/program/domestic-and-international-considerations-hamper-development-of-russo-chinese-rail-links/