Zimbabwe | 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
Republic of Zimbabwe
Records
53
Source
Zimbabwe | 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
0.2238559 1995
0.27099209 1996
0.27403066 1997
0.25345834 1998
0.29506233 1999
0.26354836 2000
0.3503591 2001
0.23537682 2002
0.29394466 2003
0.22856361 2004
0.20417779 2005
0.2276574 2006
0.21998629 2007
0.21842073 2008
0.19127149 2009
0.20245467 2010
0.19807544 2011
2012
Zimbabwe | 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
Republic of Zimbabwe
Records
53
Source