Measurement error
Errors in measuring an explanatory variable in a regression that leads to biases in estimated parameters. ...
€-coin is an updated estimate of GDP growth free from measurement errors, seasonal and other short-run fluctuations.
A common problem with the balance of payments identity is that, due to measurement error, the balance of payments may not total correctly.
12 Because telephone survey data are notoriously prone to measurement error, Neumark and Wascher repeated Card and Krueger's analysis using payroll records from a similar sample of restaurants over the same time period.
In some tellings of the history this had an impact on the field -- other problems such as errors-in-variables (measurement errors in the independent variables), ...
The choice of the higher expected return portfolio for a given level of variance or the lower variance portfolio for a given expected return. Mean-variance efficient portfolio
Related: Markowitz efficient portfolio
Measurement error ...
Mean-variance efficient portfolio Related: Markowitz efficient portfolio Measurement error Errors in measuring an explanatory variable in a regression that leads to biases in estimated parameters.
 See also: Regression, Observation, Banks, Random variable, Asset pricing model
  
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