Explain how vicious and virtuous cycle started.
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The terms virtuous circle and vicious circle (also referred to as virtuous cycle and vicious cycle) refer to complex chains of events which reinforce themselves through a feedback loop.A virtuous circle has favorable results, while a vicious circle has detrimental results.
Both circles are complexes of events with no tendency towards equilibrium (social, economic, ecological, etc.) - at least in the short run. Both systems of events have feedback loops in which each iteration of the cycle reinforces the previous one (positive feedback). These cycles will continue in the direction of their momentum until an external factor intervenes and breaks the cycle.
A well-known example of a vicious circle in economics is hyperinflation.
Examples Edit
Vicious circles in the subprime mortgage crisis Edit
Further information: Subprime mortgage crisis
Vicious cycles in the subprime mortgage crisis
The contemporary subprime mortgage crisis is a complex of vicious circles, both in its genesis and in its manifold outcomes, most notably the late 2000s recession. A specific example is the circle related to housing. As housing prices decline, more homeowners go "underwater", when the market value of a home drops below the mortgage on it. This provides an incentive to walk away from the home, increasing defaults and foreclosures. This, in turn, lowers housing values further from over-supply, reinforcing the cycle
The foreclosures reduce the cash flowing into banks and the value of mortgage-backed securities (MBS) widely held by banks. Banks incur losses and require additional funds, also called “recapitalization”. If banks are not capitalized sufficiently to lend, economic activity slows and unemployment increases, which further increase the number of foreclosures.
Economist Nouriel Roubini described the vicious circles within and across the housing market and financial markets during interviews with Charlie Rose in September and October 2008.
Other Edit
Other examples include the poverty cycle, sharecropping, and the intensification of drought.
Both circles are complexes of events with no tendency towards equilibrium (social, economic, ecological, etc.) - at least in the short run. Both systems of events have feedback loops in which each iteration of the cycle reinforces the previous one (positive feedback). These cycles will continue in the direction of their momentum until an external factor intervenes and breaks the cycle.
A well-known example of a vicious circle in economics is hyperinflation.
Examples Edit
Vicious circles in the subprime mortgage crisis Edit
Further information: Subprime mortgage crisis
Vicious cycles in the subprime mortgage crisis
The contemporary subprime mortgage crisis is a complex of vicious circles, both in its genesis and in its manifold outcomes, most notably the late 2000s recession. A specific example is the circle related to housing. As housing prices decline, more homeowners go "underwater", when the market value of a home drops below the mortgage on it. This provides an incentive to walk away from the home, increasing defaults and foreclosures. This, in turn, lowers housing values further from over-supply, reinforcing the cycle
The foreclosures reduce the cash flowing into banks and the value of mortgage-backed securities (MBS) widely held by banks. Banks incur losses and require additional funds, also called “recapitalization”. If banks are not capitalized sufficiently to lend, economic activity slows and unemployment increases, which further increase the number of foreclosures.
Economist Nouriel Roubini described the vicious circles within and across the housing market and financial markets during interviews with Charlie Rose in September and October 2008.
Other Edit
Other examples include the poverty cycle, sharecropping, and the intensification of drought.
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