summary.gnr {gnrprod}

Summarizing gross output function estimates

Description

Return a summary of the estimation routine for gross output functions from gnrprod.

Usage

## S3 method for class 'gnr'
summary(object, ...)

Arguments

object

an object of class 'gnr'.

...

currently not used.

Value

a list of class 'summary.gnr' containing 14 elements:

• output_name: the name of the output variable.

• fixed_names: a vector of the names of fixed input variables.

• flex_name: the name of the flexible input variable.

• data: data returned by gnrprod.

• data_name: the name of data.

• fs_conv: a boolean indicating if convergence was achieved in the first stage.

• ss_conv: the convergence code of optim used in the second stage.

• productivity: matrix of the estimated total productivity.

• fs_iter: the number of iterations in the first stage.

• fs_SSR: sum of squared residuals in the first stage.

• ss_iter: the number of iterations in the second stage.

• ss_val: the value of the objective function in the second stage.

• ss_iter: the number of iterations in the second stage.

• ss_mes: the convergence message in the second stage.