Food prices rose, inflation skyrocketed. The demand for servants was high, ministers and chaplains were expensive and the society was depopulated at a increased rate.

 
Landowners were dying or and the plague was spreading all over cities, so workers sought to the countryside. The demand and wages increased for servants, inflation skyrocketed.

 
The lords and political class established the Ordinance of Laborers (June, 1349) and barred the benefit of peasants.

 
Empires used germ warfare (by throwing infected dead bodies inside city walls) to win wars and this spread the plague even faster.

 
The value of foreign goods increased since famine was present and the servantry was sparse. Foreign things were in demand near the beginning of the epidemic due to shortages.

 
People's faith in God ws tested and the church claimed that it was because of the sins that were made. So people went to church more often and donate more as well.

 
The towns were depopulating rapidly, and cities were almost completely empty.

 
Quarantine wasn't put into effect until 100 years later, and ports were not sealed off.

 
A cure for the plague was not as detrimental as the entire European system collapsing, but the cure for the plague was found almost 100-200 years later.