Gazprom and the European Union_ Burst valves _ The Economist(name of case study)

1.What is the solution for Mr. Bolden's issues (or questions) as stated in the first three paragraphs under the section titled Introduction? Substantiate with calculations

2.Establish the nature of setting in Russia (particularly, the payments gridlock, the struggle over tax remittances, and the fact that Russian economic statistics are not firmly grounded in reality)

3.How should a $1.2 billion cash investment in Gazprom be structured (in debt or equity)?

4.The relationship between the two public markets for Gazprom stock varies in the course of a single year. Why do the same financial assets NOT trade at similar prices in two different markets?