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In international finance, leads and lags refer to the expediting or delaying, respectively, of settlement of payments or receipts in a foreign exchange transaction because of an expected change in exchange rates.
Angle notation can easily describe leading and lagging current: . [1] In this equation, the value of theta is the important factor for leading and lagging current. As mentioned in the introduction above, leading or lagging current represents a time shift between the current and voltage sine curves, which is represented by the angle by which the curve is ahead or behind of where it would be ...
For example, a project can be completed faster by increasing budget or cutting scope. Similarly, increasing scope may require equivalent increases in budget and schedule. Cutting budget without adjusting schedule or scope will lead to lower quality. "Good, fast, cheap. Choose two."
For example, economists have found that in some circumstances there is a lead-lag effect between large-capitalization and small-capitalization stock-portfolio prices. [2] (A loosely related concept is that of lead-lag compensators in control theory, but this is not generally referred to specifically as a "lead-lag effect.") [citation needed]
If the total network phase angle has a combination of positive and negative phase as a function of frequency then it is a lead-lag network. Depending upon the nominal operation design parameters of a system under an active feedback control, a lag or lead network can cause instability and poor speed and response times.
Paul Einzig (25 August 1897 – 8 May 1973) was an economic and political writer and journalist. He wrote 57 books, alongside many articles for newspapers and journals, and regular columns for the newspapers Financial News (which became Financial Times) and Commercial and Financial Chronicle.
Lead compensation. Whereas dominant pole compensation places or moves poles in the open loop response, lead compensation places a zero [c] in the open loop response to cancel one of the existing poles. Lead–lag compensation places both a zero and a pole in the open loop response, with the pole usually being at an open loop gain of less than one.
British slang for inmate in a prison (usually "old lag") The time between tasks in project plans; see Dependency (project management) § Leads and Lags; The time before a medical diagnosis; A measure for spatial dependence in a sampling variogram; A delay of payment to take advantage of an expected change in exchange rates; see Leads and lags