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In economics, a shock is an unexpected or unpredictable event that affects an economy, either positively or negatively. Technically, it refers to an unpredictable change in exogenous factors—that is, factors unexplained by economics—which may have an impact on endogenous economic variables.
Types of shocks
If the shock is due to constrained supply, it is called a supply shock and usually results in price increases for a particular product. A technology shock is the kind resulting from a technological development that affects productivity.
In the context of microeconomics, shocks are also studied at the household level such as health, income, and consumption shocks. For example, in development microeconomics the relationship between household income shocks and household levels of consumption are studied to understand a household's ability to insure itself (testing the full-insurance hypothesis).
- Impulse response function
- Vector autoregression
- Dynamic stochastic general equilibrium
- Supply shock
- Demand shock
- 1973 oil crisis
- Shock therapy
- Social risk management
- Lütkepohl, Helmut (2008). "Impulse response function". The New Palgrave Dictionary of Economics (2nd ed.).
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