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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, 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]
This is an example of a lag in a Start-Start relationship. In accordance to PMBOK a lead is "the amount of time whereby a successor activity can be advanced with respect to a predecessor activity For example, on a project to construct a new office building, the landscaping could be scheduled to start prior to the scheduled punch list completion ...
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."
Lead, in international finance, expediting payment to take advantage of an expected change in exchange rates; see Leads and lags; Lead, in project management, the amount of time to start an activity before a successor activity is finished, in project management; LEAD (diode), a light-emitting and -absorbing diode
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
A lead–lag compensator is a component in a control system that improves an undesirable frequency response in a feedback and control system. It is a fundamental building block in classical control theory .