International Scientific Journals
of Scientific Technical Union of Mechanical Engineering "Industry 4.0"

The market of precious metals in the world is studied. The requirements for the standard of gold, silver and platinum ingots are named. Factors influencing the world market of precious metals are revealed. Forms of market organization are described. The dynamics of gold, silver, platinum and palladium production in 2010 – 2019 are given. The tendencies of development of the world market of precious metals and the market of precious metals in Ukraine are named

The structural trends of the last ten years in terms of individual connections in the mobile market have been identified. The characteristics of the largest companies in the world that provide mobile services have been given. The sources of creating new value in the mobile business have been named. A comparative analysis of the provision of services by the leaders of the global mobile services market (like China Mobile, AT&T and Vodafone) has been conducted. The advantages and disadvantages of these mobile operators have been highlighted. A comparative portfolio of services of leaders-mobile operators has been compiled. It has been concluded that there are differences between the UK market, Chinese and US operators.