Usually, during a time like this, people would spend their gold, so it would circulate. But all the gold owners would hide their gold, and not spend it. This caused there to be no real money in the system. "One of the primary catalysts to the deterioration of the economy was the lack of circulating currency in the Western Empire.” (Google.com) The government would also spend a lot of money on unnecessary luxuries, which they borrowed money to get. This caused the debt of the country to increase.
Another problem was feudalism. Rome was in a system that the land was given out to the people below you. Those people would give out a smaller portion to the people below them, and so on. The people of Rome were divided into classes, and whatever class you were in, you stayed in. In a strong non-feudal society, motivated workers are essential. Therefore, citizen’s ranks are always accommodating to how hard they work. But in a feudalistic system, ones rank will never be changed; therefore, there is no motivation to encourage the workers to perform