With the network of underground supply tunnels rapidly being shut down, prices have soared for Palestinians in the Strip. The impacts of the shut down of such “illegal structures” are also felt in many other sector activities within, e.g. transportation, communication, trade and education, with major effects on the daily life of many Palestinians. Security and safety of the citizens are major problems and have severe impacts on the social life because of the political conflicts in the region.

http://www.theguardian.com/world/2013/oct/14/gaza-chokes-israel-egypt-economic