location.quotient.avg: Compute average location quotients of regions from regions -...

Description Usage Arguments Author(s) References See Also Examples

View source: R/location.quotient.avg.r

Description

This function computes the average location quotients of regions from (incidence) regions - industries matrices. This index is also referred to as the coefficient of specialization (Hoover and Giarratani, 1985).

Usage

1

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

Boschma, R., Balland, P.A. and Kogler, D. (2015) Relatedness and Technological Change in Cities: The rise and fall of technological knowledge in U.S. metropolitan areas from 1981 to 2010, Industrial and Corporate Change 24 (1): 223-250

See Also

location.quotient, Hachman

Examples

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## generate a region - industry matrix
mat = matrix (
c (100, 0, 0, 0, 0,
0, 15, 5, 70, 10,
0, 20, 10, 20, 50,
0, 25, 30, 5, 40,
0, 40, 55, 5, 0), ncol = 5, byrow = T)
rownames(mat) <- c ("R1", "R2", "R3", "R4", "R5")
colnames(mat) <- c ("I1", "I2", "I3", "I4", "I5")

## run the function
location.quotient.avg (mat)

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