deaR (version 1.4.1)

Grifell_Lovell_1999: Data: Grifell-Tatjé and Lovell (1999).

Description

Data of 8 DMUs producing 1 output (Y) by using 1 input (X) for two periods of time.

Usage

data("Grifell_Lovell_1999")

Format

Data frame with 16 rows and 4 columns. Definition of inputs (X) and outputs (Y):

X

Input

Y

Output

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_malmquist, malmquist_index

Examples

# Example. Replication of results in Grifell-Tatjé and Lovell (1999, p. 100).
data("Grifell_Lovell_1999")
data_example <- make_malmquist(Grifell_Lovell_1999,
                               percol = 1,
                               dmus = 2,
                               inputs = 3,
                               outputs = 4,
                               arrangement = "vertical")

result_fgnz <- malmquist_index(data_example,
                               orientation = "oo",
                               rts = "vrs",
                               type1 = "cont",
                               type2 = "fgnz")

result_fgnz$mi