aidsPx
(Package: micEconAids) :
Price Index for the AIDS
Calculate log price indices for the AIDS and LA-AIDS.
● Data Source:
CranContrib
● Keywords: models
● Alias: aidsPx
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Check whether the expenditure function of the AIDS is concave in prices.
● Data Source:
CranContrib
● Keywords: models
● Alias: aidsConcav, print.aidsConcav
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df.residual.aidsEst
(Package: micEconAids) :
Covariance matrix of an Almost Ideal Demand System
These method returns the covariance matrix of the coefficients from an Almost Ideal Demand System (AIDS).
● Data Source:
CranContrib
● Keywords: methods
● Alias: df.residual.aidsEst
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aidsUtility
(Package: micEconAids) :
Indirect Utility Function of the Almost Ideal Demand System
These functions calculate the utility level given prices and total expenditure using the indirect utility function of the Almost Ideal Demand System and the partial derivatives of this indirect utility function with repect to prices and total expenditure.
● Data Source:
CranContrib
● Keywords: models
● Alias: aidsUtility, aidsUtilityDeriv
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aidsElas
(Package: micEconAids) :
Elasticities of the AIDS model
These functions calculate and print the demand elasticities of an AIDS model.
● Data Source:
CranContrib
● Keywords: models
● Alias: aidsElas, elas.aidsEst, print.aidsElas
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logLik.aidsEst
(Package: micEconAids) :
Log-Likelihood value of an object of class aidsEst
This method extracts the log-likelihood value of a fitted Almost Ideal Demand System (AIDS)
● Data Source:
CranContrib
● Keywords: models
● Alias: logLik.aidsEst
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summary.aidsEst
(Package: micEconAids) :
Summarizing the Estimation of an Almost Ideal Demand System
summary.aidsEst summarizes the estimation results of an Almost Ideal Demand System (AIDS).
● Data Source:
CranContrib
● Keywords: models
● Alias: print.summary.aidsEst, summary.aidsEst
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Check whether the specification of the AIDS is consistent with microeconomic demand theory (i.e. utility maximisation).
● Data Source:
CranContrib
● Keywords: models
● Alias: aidsConsist, checkConsist.aidsEst, print.aidsConsist
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summary.aidsElas
(Package: micEconAids) :
Summarizing the Elasticities of an Almost Ideal Demand System
These functions summarize and print the estimated elasticities of an Almost Ideal Demand System (AIDS).
● Data Source:
CranContrib
● Keywords: models
● Alias: print.summary.aidsElas, summary.aidsElas
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aidsEst
(Package: micEconAids) :
Estimating the Almost Ideal Demand System (AIDS)
aidsEst does an econometric estimation of the Almost Ideal Demand System (AIDS)
● Data Source:
CranContrib
● Keywords: models
● Alias: aidsEst, print.aidsEst
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providing 
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