„Infrastructure“

The institutions and fundamental organizations which support the basic structure of a nation’s economy, among these are: the educational system, the transportation systems, the banking system, the public utilities, the water supply system, the sanitation system, the health maintenance network, the public security and safety systems, the communication systems, the postal system etc.

Source:

Samuelson, P.A., & Nordhaus, W.D. (2009). Economics. 19th ed. New York: McGraw-Hill.