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In economics, the law of one price (LOOP) states that in the absence of trade frictions (such as transport costs and tariffs), and under conditions of free competition and price flexibility (where no individual sellers or buyers have power to manipulate prices and prices can freely adjust), identical goods sold at different locations should be sold for the same price when prices are expressed ...
When economic analysis refers to a particular good as the numéraire, one says that all other prices are normalized by the price of that good. For example, if a unit of good g has twice the market value of a unit of the numeraire, then the (relative) price of g is 2. Since the value of one unit of the numeraire relative to one unit of itself is ...
Littlewood proposed the first static single-resource quantity-based RM model. [1] It was a solution method for the seat inventory problem for a single-leg flight with two fare classes. Those two fare classes have a fare of R 1 {\displaystyle R_{1}} and R 2 {\displaystyle R_{2}} , whereby R 1 > R 2 {\displaystyle R_{1}>R_{2}} .
An easier way to solve this problem in a two-output context is the Ramsey condition. According to Ramsey, in order to minimize deadweight losses, one must increase prices to rigid and elastic demands/supplies in the same proportion, in relation to the prices that would be charged at the first-best solution (price equal to marginal cost).
Regulation National Market System (or Reg NMS) is a 2005 US financial regulation promulgated and described by the Securities and Exchange Commission (SEC) as "a series of initiatives designed to modernize and strengthen the National Market System for equity securities".
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Price monitoring is the systematic process of observing and tracking the prices of commodities or securities to ensure they do not fall below a predetermined threshold. This activity is essential for organizations aiming to maintain stability in market prices and protect against significant fluctuations that could adversely affect economic balance. [1]
When stock price returns follow a single Brownian motion, there is a unique risk neutral measure.When the stock price process is assumed to follow a more general sigma-martingale or semimartingale, then the concept of arbitrage is too narrow, and a stronger concept such as no free lunch with vanishing risk (NFLVR) must be used to describe these opportunities in an infinite dimensional setting.