'cause of' vs 'cause for'

[Allifathima]

Please explain difference between 'cause of' and 'cause for'.
Unemployment is a major cause of poverty.
Unemployment is cause for poverty.
Are these two sentences correct?

[Dozy]

In this case it should be "cause of".

"cause for" is usually reserved for the case when something prompts someone to behave or feel in a certain way. For example, "Their arrival was cause for celebration", "There is no cause for alarm".