natural monopoly
121Demarcation point — Dmark redirects here. For the German currency, see Deutsche Mark. Old and new style demarcation points in a Canadian home built in 1945. A splitter for a DSL modem has been plugged into the modern demarc (on the right). One line passes through a… …
122Category killer — is a term used in marketing and strategic management to describe a product, service, brand, or company that has such a distinct sustainable competitive advantage that competing firms find it almost impossible to operate profitably in that… …
123Friedrich List — (August 6, 1789 – November 30, 1846) was a leading 19th Century German and American economist who developed the National System or what some would call today the National System of Innovation. He was a forefather of the German Historical school… …
124Average cost — In economics, average cost is equal to total cost divided by the number of goods produced (the output quantity, Q). It is also equal to the sum of average variable costs (total variable costs divided by Q) plus average fixed costs (total fixed… …
125Subadditivity — In mathematics, subadditivity is a property of a function that states, roughly, that evaluating the function for the sum of two elements of the domain always returns something less than or equal to the sum of the function s values at each element …
126.nz — Infobox Top level domain name=.nz background=#CCF introduced=1987 type=Country code top level domain status=Active registry=NZ Registry Services sponsor=Internet Society of New Zealand intendeduse=Entities connected with NZL actualuse=Popular in… …
127Club good — Club goods (artificially scarce goods) are a type of good in economics, sometimes classified as a subtype of public goods that are excludable but non rivalrous, at least until reaching a point where congestion occurs. These goods are often… …
128Water industry — The water industry provides drinking water and wastewater services (including sewage treatment) to households and industry. OverviewThe modern water industry operates sophisticated and costly water and wastewater networks and sewage treatment… …
