Temporal evolution of keywords between 1998 and 2022 (Number of occurrences >4)
| Keyword | 1998–2010 | 2011–2016 | 2017–2022 | Total |
|---|---|---|---|---|
| Export | 2 | 8 | 15 | 25 |
| Standard | 3 | 11 | 9 | 23 |
| International trade | 6 | 6 | 10 | 22 |
| Food safety | 4 | 8 | 7 | 19 |
| Certification | 1 | 7 | 9 | 17 |
| European union | 4 | 12 | 16 | |
| Import | 1 | 5 | 10 | 16 |
| Developing world | 4 | 4 | 6 | 14 |
| Food market | 1 | 6 | 7 | 14 |
| Agricultural trade | 1 | 3 | 9 | 13 |
| Food industry | 2 | 2 | 8 | 12 |
| Tariff structure | 1 | 10 | 11 | |
| World trade organization | 3 | 1 | 6 | 10 |
| Trade flow | 2 | 7 | 9 | |
| Europe | 1 | 7 | 8 | |
| Food supply | 4 | 3 | 7 | |
| Political economy | 1 | 4 | 2 | 7 |
| Trade agreement | 1 | 2 | 4 | 7 |
| Africa | 1 | 3 | 2 | 6 |
| China | 2 | 1 | 3 | 6 |
| Empirical analysis | 1 | 5 | 6 | |
| Food quality | 2 | 4 | 6 | |
| Globalization | 1 | 5 | 6 | |
| Sustainable development | 1 | 1 | 4 | 6 |
| Food policy | 1 | 3 | 1 | 5 |
| Food production | 1 | 3 | 1 | 5 |
| Genetically modified organism | 2 | 3 | 5 | |
| Horticulture | 1 | 3 | 1 | 5 |
| Supply chain management | 2 | 3 | 5 | |
| Trade policy | 2 | 3 | 5 |
| Keyword | 1998–2010 | 2011–2016 | 2017–2022 | Total |
|---|---|---|---|---|
| Export | 2 | 8 | 15 | 25 |
| Standard | 3 | 11 | 9 | 23 |
| International trade | 6 | 6 | 10 | 22 |
| Food safety | 4 | 8 | 7 | 19 |
| Certification | 1 | 7 | 9 | 17 |
| European union | 4 | 12 | 16 | |
| Import | 1 | 5 | 10 | 16 |
| Developing world | 4 | 4 | 6 | 14 |
| Food market | 1 | 6 | 7 | 14 |
| Agricultural trade | 1 | 3 | 9 | 13 |
| Food industry | 2 | 2 | 8 | 12 |
| Tariff structure | 1 | 10 | 11 | |
| World trade organization | 3 | 1 | 6 | 10 |
| Trade flow | 2 | 7 | 9 | |
| Europe | 1 | 7 | 8 | |
| Food supply | 4 | 3 | 7 | |
| Political economy | 1 | 4 | 2 | 7 |
| Trade agreement | 1 | 2 | 4 | 7 |
| Africa | 1 | 3 | 2 | 6 |
| China | 2 | 1 | 3 | 6 |
| Empirical analysis | 1 | 5 | 6 | |
| Food quality | 2 | 4 | 6 | |
| Globalization | 1 | 5 | 6 | |
| Sustainable development | 1 | 1 | 4 | 6 |
| Food policy | 1 | 3 | 1 | 5 |
| Food production | 1 | 3 | 1 | 5 |
| Genetically modified organism | 2 | 3 | 5 | |
| Horticulture | 1 | 3 | 1 | 5 |
| Supply chain management | 2 | 3 | 5 | |
| Trade policy | 2 | 3 | 5 |
Source(s): Scopus database, 1998–August 2022
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