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Physics of financial markets is a non-orthodox economics discipline that studies financial markets as physical systems.It seeks to understand the nature of financial processes and phenomena by employing the scientific method and avoiding beliefs, unverifiable assumptions and immeasurable notions, not uncommon to economic disciplines.
Econophysics is a non-orthodox (in economics) interdisciplinary research field, applying theories and methods originally developed by physicists in order to solve problems in economics, usually those including uncertainty or stochastic processes and nonlinear dynamics.
Purdue University prohibits students soliciting answers using Chegg's homework help: "While Chegg can be helpful to access textbooks and more practice problems, using this resource to find assignment answers is considered academic dishonesty because it is a form of copying and plagiarism.". [55]
In sales and trading, quantitative analysts work to determine prices, manage risk, and identify profitable opportunities.Historically this was a distinct activity from trading but the boundary between a desk quantitative analyst and a quantitative trader is increasingly blurred, and it is now difficult to enter trading as a profession without at least some quantitative analysis education.
Investors selling the asset at the spot price to arbitrage a futures price earns the storage costs they would have paid to store the asset to sell at the futures price. Convenience yields are benefits of holding an asset for sale at the futures price beyond the cash received from the sale.
Statistical finance [1] is the application of econophysics [2] to financial markets.Instead of the normative roots of finance, it uses a positivist framework. It includes exemplars from statistical physics with an emphasis on emergent or collective properties of financial markets.
The most basic is physical selling short or short-selling, by which the short seller borrows an asset (often a security such as a share of stock or a bond) and quickly selling it. The short seller must later buy the same amount of the asset to return it to the lender.
The bid–ask spread (also bid–offer or bid/ask and buy/sell in the case of a market maker) is the difference between the prices quoted (either by a single market maker or in a limit order book) for an immediate sale and an immediate purchase for stocks, futures contracts, options, or currency pairs in some auction scenario.