The ash cloud that was blown towards Europe, due to strong winds, meaning that over 100,000 flights were cancelled between April 14th - 20th, affecting 7 million passengers, and resulting in $1.7 billion USD in lost revenue to airlines This means that pilots and air hostesses would have not have been paid as much that week, meaning that they would have spent less
money into the economy to cope. This lead to
economic decline. (S,P,G)