concstats is a small package that helps you to calculate the
structure, concentration or diversity measures of a given
market. You can reach that goal in different ways:
a) calculating an individual measure, e.g. the Herfindahl Hirschmann Index (HHI) or its dual.
b) calculating a group of measures, e.g. structural measures, or
c) a selected set of measures in a one-step procedure.
To install the latest development version of
directly from GitHub or use:
Measures of concentration and competition are important and give a
first insight of a given market structure in a particular market.
They are important to determine public policies and strategic
corporate decisions. However, in research and in practice the
most commonly used measure is the Herfindahl Hirschman Index. The
concstats package offers a set of alternative measures.
concstats allows you to calculate quickly a
particular measure or a group of measures to give you a better overview
of a given market situation and therefore reducing uncertainty.
It can be used by practitioners and academics
concstats should be used by practitioners and academics
who are concerned about a given market situation regarding its
structure, concentration, diversity or inequality. A
single standard measure like the Herfindahl Hirschmann Index (HHI) may
lead to erroneous conclusions. The
package offers a straightforward way to calculate standard and
alternative measures given a data set of market participants
and their participation (in absolute or relative values) in a particular
market at a given point of time or over time. concstats provides
currently the following basic functions: