Industry WIKI

The Polak model is a monetary approach to the balance of payment published by J. J. Polak in 1957. It seeks to model a small, open economy operating under fixed nominal exchange rate. Polak suggest explicit links between the monetary and external sectors. Polak results continue to form the theoretical bases on which the IMF Financial Programming are carried out.

A water tariff (often called water rate in the United States and Canada) is a price assigned to water supplied by a public utility through a piped network to its customers. The term is also often applied to wastewater tariffs. Water and wastewater tariffs are not charged for water itself, but to recover the costs of water treatment, water storage, transporting it to customers, collecting