Lagarde pointed out that in addition to their primary purpose of discouraging pollution, taxes on greenhouse gas emissions boost revenues — a key consideration when many governments have depleted their reserves to weather the
long weakness in the global economy.
Weakness in the global economy and concern about the uneasiness of markets, as well as uncertainty about many lushly - priced private companies known as unicorns, drove the markdown, investment experts said.
«Trade wars, a recession, any notion of
any weakness in global economies are going to cut into,» oil prices, Kloza said.
As a note, copper supply is a bit tighter than iron ore so margin improvements or
weakness in the global economy have a greater impact on prices.