durpug {REAT}

Relative diversity index by Duranton and Puga

Description

Calculating the relative diversity index (RDI) by Duranton and Puga based on regional industry data (normally employment data)

Usage

durpug(e_ij, e_i)

Arguments

e_ij

a numeric vector with the employment of the industries i in region j

e_i

a numeric vector with the all-over employment in the industries i

Value

A single numeric value of RDI

Author(s)

Thomas Wieland

References

Duranton, G./Puga, D. (2000): “Diversity and Specialisation in Cities: Why, Where and When Does it Matter?”. In: Urban Studies, 37, 3, p. 533-555.

Farhauer, O./Kroell, A. (2013): “Standorttheorien: Regional- und Stadtoekonomik in Theorie und Praxis”. Wiesbaden : Springer.

See Also

gini.spec, krugman.spec, hoover

Examples

# Example Goettingen:

data(Goettingen)
# Loads the data

durpug (Goettingen$Goettingen2008[2:13], Goettingen$BRD2008[2:13])
# Returns the Duranton-Puga RDI for Goettingen