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4

You might be looking for the term monopsony power or perhaps oligopsony power. A superficial look at the literature indicates that the Herfindahl-Hirschman index (HHI), so commonly used in assessing seller market power, is also used to measure buyer market power. Recall that the HHI is the sum of the squared market shares measured in percent (so a duopoly ...


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In secondary stock market trading a surplus of shares occurs when current owners are eager to sell in some volume and current buyers are reluctant to buy at current prices in that much volume. A shortage of shares occurs when current owners are eager to hold for more gain and current buyers are eager to purchase at current or rising prices in some volume. A ...


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Simple case is following: You decrese price by same % for usual and premium goods, than measure the demand. If both change in same ratios their elasticity is same, and so on. You can meauser the elasticity lag for both cases, when users start reacting to price change for both groups. You can measure behavior of users moving between groups (premium, usual) ...


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This four page reference shows how producer surplus is defined and calculated using integral calculus: https://www.math.ubc.ca/~malabika/teaching/ubc/spring11/math105/surplus.pdf As quantity increases from q = 0 to q = qe (equilibrium quantity) the price rises at each point on the supply curve S(q). The equilibrium point (pe, qe) is taken independently by ...


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I won’t discuss the fundamental reasons why stock prices change (discussed in another answer), but the mechanics (roughly) work like this. (Real world is more complex, since there are multiple exchanges, and high frequency trading.) An exchange matches orders from buyers and sellers. The sensible way of making an order is to put a limit price on it. So you ...


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In stock market price is determined directly by supply and demand interacting in a way that is somewhat similar to haggling in traditional physical markets. Buyers will offer their bids for a stock (i.e. they will state for which price they are willing to buy a stock). At the same time sellers will have their ask price (i.e. they will state the price for ...


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