spec.coeff: Compute the Hoover coefficient of specialization from regions...

Description Usage Arguments Author(s) References See Also Examples

View source: R/spec.coeff.r

Description

This function computes the Hoover coefficient of specialization from regions - industries matrices. The higher the coefficient, the greater the regional specialization. This index is closely related to the Krugman specialisation index.

Usage

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Arguments

mat

An incidence matrix with regions in rows and industries in columns

Author(s)

Pierre-Alexandre Balland p.balland@uu.nl

References

Hoover, E.M. and Giarratani, F. (1985) An Introduction to Regional Economics. 3rd edition. New York: Alfred A. Knopf (see table 9-4 in particular)

See Also

Krugman.index

Examples

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## generate a region - industry matrix
set.seed(31)
mat <- matrix(sample(0:100,20,replace=T), ncol = 4)
rownames(mat) <- c ("R1", "R2", "R3", "R4", "R5")
colnames(mat) <- c ("I1", "I2", "I3", "I4")

## run the function
spec.coeff (mat)

PABalland/EconGeo documentation built on Nov. 13, 2020, 2:50 a.m.