Grifell_Lovell_1999 {deaR}

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(s)

Vicente Coll-Serrano ([e-mail]). Quantitative Methods for Measuring Culture (MC2). Applied Economics.

Vicente Bolos ([e-mail]). Department of Business Mathematics

Rafael Benitez ([e-mail]). Department of Business Mathematics

University of Valencia (Spain)

Source

Grifell-Tatjé, E.; Lovel, C.A.K. (1999). "A Generalized Malmquist productivity index". Top, 7(1), 81-101.

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