I believe it is when the claimant hasn't chosen one pr both federal anb state taxes to be withheld from her/his benefit payments.
Federal Withholding
if you mean unemployment benefit, yes it does
You can be "fired without warning" anywhere, but that does not necessarily mean 'with cause'. Being denied unemployment benefits by the state would depend on the investigator's findings as to the truth of reason for the firing.
Federal Withholding Tax
If by expanded withholding tax you mean "backup withholding" applicable to only certain people/Cos (especially foreign), yes. I've never hear of the term you used.
to lose your job.
I suppose you mean unemployment compensation. That is administered by the state you live in. The answer is never.
There is no cyclical unemployment.
State Withholding Tax, which is to pay state taxes
Full employment doesn't mean that there is zero unemployment. Full employment only means that the economy is operating at full employment because there is only structural unemployment, frictional unemployment, and seasonal unemployment. Remaining unemployment is cyclical. Even when an economy is working properly, it will experience frictional, seasonal, and structural unemployment. (gp)
many not working
COLORADO.You might mean "what does "colorado" mean in English". If so, it is a Spanish term meaning "red".