Yes, economy is an adjective in the term 'economy crisis'.
The systemic crisis refers to crisis at the whole system in which the economy tuns.when there is fall in one system or one sectorof economy like real economy it will affect the whole economy..
no
Drought, overuse of land
Depending on what kind of financial crisis is being described for example; large scale financial crisis such as businesses and communities or small scale such as personal financial troubles. On a personal level not having enough money to live of for necessities is a crisis. For large scale like a community if the economy is bad then that is a big problem as well.
Although it is possible to use the noun economy as a noun adjunct, here, the adject form should be used, and it would be economic crisis. The terms for a type of severe crisis can include recession or depression.
World War I.
More crops grown then sold.
Energy crisis' include the power going out and not having water. When an energy crisis occurs, it can cause prices to rise in the economy.
It is my contention that this crisis is nothing short of a manifestation of the overall forces that are in control of the world economy.
demand for crops fell after World War I
Energy crisis have a negative impact to global economy, some of which are; lack of sufficient food, fall in GDP, and inflation.