4. (15%) Suppose you are asked to conduct a cost-benefit analysis of a proposed mega project of building a high-speed railway from Beijing to Rotterdam. In response to the development of the One Belt, One Road Initiative, the Chinese government is supposed to be considering building a high-speed railway linking China, Central Asia, West Asia, Russia, Eastern Europe, Central Europe, and Western Europe. You are requested to assess the feasibility and profitability of this project. How would you measure the benefits and costs of this project? What aspects of benefits and costs will you consider? What data will you need? 4. (15%) Suppose you are asked to conduct a cost-benefit analysis of a proposed mega project of building a high-speed railway from Beijing to Rotterdam. In response to the development of the One Belt, One Road Initiative, the Chinese government is supposed to be considering building a high-speed railway linking China, Central Asia, West Asia, Russia, Eastern Europe, Central Europe, and Western Europe. You are requested to assess the feasibility and profitability of this project. How would you measure the benefits and costs of this project? What aspects of benefits and costs will you consider? What data will you need