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In 1982 the U.S. Department of Justice Merger Guidelines introduced the SSNIP test as a new method for defining markets and for measuring market power directly. In the EU it was used for the first time in the Nestlé/Perrier case in 1992 and has been officially recognized by the European Commission in its "Commission's Notice for the Definition of the Relevant Market" in 1997.
In economics, gross substitutes (GS) is a class of utility functions on indivisible goods.An agent is said to have a GS valuation if, whenever the prices of some items increase and the prices of other items remain constant, the agent's demand for the items whose price remain constant weakly increases.
SuperMontage, abbreviated simply as SM, is an integrated trading system used in American stock exchange Nasdaq that was implemented in 2002. It features a fully integrated public limit order book and market maker quotations, the ability to enter multiple quotes, anonymous ordering, five-level-deep buy and sell interest, and time-stamps on individual orders.
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A stock market simulator is computer software that reproduces behavior and features of a stock market, so that a user may practice trading stocks without financial risk. Paper trading, sometimes also called "virtual stock trading", is a simulated trading process in which would-be investors can practice investing without committing money. [1]
Roosenboom and van Dijk (2009) [1] analyze 526 cross-listings from 44 different countries on 8 major stock exchanges and document significant stock price reactions of 1.3% on average for cross-listings on US exchanges, 1.1% on London Stock Exchange, 0.6% on exchanges in continental Europe, and 0.5% on Tokyo Stock Exchange. These findings ...
The paradox arises when a firm sells a product with few substitutes, which in turn allows the firm to increase the price of that product. The original reason was that as the price increases, the product will reach a point where it begins to attract more and more substitutes.