deaR (version 1.4.1)

Fortune500: Data: Zhu (2014).

Description

This dataset consists of 15 firms from the Fortune 500 list 1995 (https://fortune.com/ranking/fortune500/) with 3 inputs and 2 outputs.

Usage

data("Fortune500")

Format

Data frame with 15 rows and 6 columns. Definition of inputs (X) and outputs (Y):

x1 = Assets

Assets (millions of dollars)

x2 = Equity

Equity (millions of dollars)

x3 = Employees

Number of employees

y1 = Revenue

Revenue (millions of dollars)

y2 = Profit

Profit (millions of dollars)

Author

Vicente Coll-Serrano (). Quantitative Methods for Measuring Culture (MC2). Applied Economics.

Vicente Bolos (). Department of Business Mathematics

Rafael Benitez (). Department of Business Mathematics

University of Valencia (Spain)

See Also

make_deadata, model_multiplier

Examples

data("Fortune500")
data_Fortune <- make_deadata(datadea = Fortune500,
                             dmus = 1,
                             inputs = 2:4,
                             outputs = 5:6)
result <- model_multiplier(data_Fortune,
                           epsilon = 1e-6,
                           orientation = "io",
                           rts = "crs")
# results for General Motors and Ford Motor are not shown
# by deaR because the solution is infeasible
efficiencies(result)
multipliers(result)