For Macroeconomics' analysis of market power and regulation and all of the Game-theory, any companies should compete into the market in these each Nations. Because if a monopoly company is just only one at the market in tha Nation, the company will increace to these prices of items. If is not that, would be to some bult-in stabilizers.
If a company is regurary just only one at the market in Nation, these items of all foods, clothes, and other necessary ones so on are gone on. And these are increasing to these prices of ones, so these would not sale at the market. When ones think about the Corporate tax of the company in the Nations, these Governments all over the world are better than do nothing to the market.
p.s. This blog is not on Game of Thrones is winning Emmy Award in 2019.