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Concentration of common bean seeds in the market by value chain in Kenya and Ethiopia.
Source: Author's computations based on Kibiego et al. (2003) and Palencia (2017)
| Country | Value chain | Hirschman-Herfindahl Index (HHI) | Four-firm concentration (CR4) ratio (%) | Eight-firm concentration (CR8) ratio (%) |
|---|---|---|---|---|
| Kenya | Retailers | 5321 | 19.29 | 33.92 |
| Wholesale | 9460 | 37.76 | 59.84 | |
| Ethiopia | Aggregators | 5582 | 55.82 | – |
| Wholesalers | 6642 | 66.42 | – | |
| Exporters | 4411 | 44.11 | – |
