Comoros | Export product concentration index
This indicator reflects the Herfindahl-Hirschmann index measure of the degree of export concentration within a country. The sectoral Hirschmann index is defined as the square root of the sum of the squared shares of exports of each industry in total exports for the region under study. Takes a value between 0 and 1, with 1 indicating that only a single product is exported. Higher values indicate that exports are concentrated in fewer sectors. On the contrary, values closer to 0 reflect a more equal distribution of market shares among exporters. Note that this type of concentration indicator tends to be quite vulnerable to cyclical fluctuations in relative-prices, in a way that commodity price rises make commodity exporters look more concentrated.
Publisher
The World Bank
Origin
Union of the Comoros
Records
53
Source
Comoros | Export product concentration index
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
0.61761442 1995
0.39273344 1996
0.53357807 1997
0.50124074 1998
0.48973244 1999
0.76022762 2000
0.88971606 2001
0.84436156 2002
0.87271087 2003
0.81734011 2004
0.54261394 2005
0.46092093 2006
0.54828947 2007
0.48532711 2008
0.49835983 2009
0.50443966 2010
0.51392269 2011
2012
Comoros | Export product concentration index
This indicator reflects the Herfindahl-Hirschmann index measure of the degree of export concentration within a country. The sectoral Hirschmann index is defined as the square root of the sum of the squared shares of exports of each industry in total exports for the region under study. Takes a value between 0 and 1, with 1 indicating that only a single product is exported. Higher values indicate that exports are concentrated in fewer sectors. On the contrary, values closer to 0 reflect a more equal distribution of market shares among exporters. Note that this type of concentration indicator tends to be quite vulnerable to cyclical fluctuations in relative-prices, in a way that commodity price rises make commodity exporters look more concentrated.
Publisher
The World Bank
Origin
Union of the Comoros
Records
53
Source