---
title: "Portfolio diversification research: papers and trends"
description: "From 2017 to 2026 (so far), the keyword “portfolio diversification” appeared in 1,004 papers in the tracked journals, most of them in finance (613), economics (299) and management (39)."
url: https://scholar4ai.com/keywords/portfolio-diversification
markdown_url: https://scholar4ai.com/keywords/portfolio-diversification.md
license: CC BY-NC 4.0 (https://creativecommons.org/licenses/by-nc/4.0/)
share_text: "From 2017 to 2026 (so far), the keyword “portfolio diversification” appeared in 1,004 papers in the tracked journals, most of them in finance (613), economics (299) and management (39). (as of 2026-11-03)"
data_url: https://scholar4ai.com/data/rankings.json
updated: 2026-11-03T18:03:37+09:00
window: 2026-10-05 to 2026-11-03
source: OpenAlex (CC0)
---

# Papers on “portfolio diversification”

Research on “portfolio diversification” in the 480 tracked journals: papers per year and category, the journals, institutions and countries publishing it, the keywords studied with it and its most-cited papers. It is not among the most frequent keywords of the last 30 days, so this page has no list of its latest papers.

Back to the ranking: https://scholar4ai.com/rankings/keywords.md

## Key findings

- From 2017 to 2026 (so far), the keyword “portfolio diversification” appeared in 1,004 papers in the tracked journals, most of them in finance (613), economics (299) and management (39).
- 131 of them were published in 2025, against 54 in 2017.
- Since 2023, the institutions with the most of these papers were Lebanese American University (37), Pusan National University (17) and Tunis El Manar University (15).
- The journals publishing most of them were Research in International Business and Finance (48), Finance research letters (39) and International Review of Economics & Finance (34).
- The most-cited of them is “The contagion effects of the COVID-19 pandemic: Evidence from gold and cryptocurrencies” (Finance research letters, 2020), with 880 citations.

## Papers per year

*Papers per publication year and category*

| Category | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 (so far) |
|---|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|
| [Finance](https://scholar4ai.com/categories/finance.md) | 38 | 32 | 40 | 58 | 60 | 72 | 63 | 93 | 89 | 68 |
| [Economics](https://scholar4ai.com/categories/economics.md) | 10 | 23 | 26 | 25 | 36 | 49 | 45 | 31 | 34 | 20 |
| [Management](https://scholar4ai.com/categories/management.md) | 2 | 1 | 2 | 7 | 4 | 6 | 5 | 4 | 0 | 8 |
| [Operations Research](https://scholar4ai.com/categories/operations-research.md) | 3 | 4 | 5 | 6 | 4 | 2 | 3 | 0 | 6 | 1 |
| [AI](https://scholar4ai.com/categories/ai.md) | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 2 | 1 | 0 |
| [Accounting](https://scholar4ai.com/categories/accounting.md) | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 |
| [Information Systems](https://scholar4ai.com/categories/information-systems.md) | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 0 |
| [Marketing](https://scholar4ai.com/categories/marketing.md) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| [Tourism and Hospitality](https://scholar4ai.com/categories/tourism-and-hospitality.md) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| [Statistics](https://scholar4ai.com/categories/statistics.md) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| All categories | 54 | 62 | 74 | 96 | 106 | 131 | 117 | 133 | 131 | 100 |

## Where the papers come from

*Journals with the most papers, since 2023*

| # | Journal | Papers |
|---:|---|---:|
| 1 | [Research in International Business and Finance](https://scholar4ai.com/journals/research-in-international-business-and-finance.md) | 48 |
| 2 | [Finance research letters](https://scholar4ai.com/journals/finance-research-letters.md) | 39 |
| 3 | [International Review of Economics & Finance](https://scholar4ai.com/journals/international-review-of-economics-finance.md) | 34 |
| 4 | [Energy Economics](https://scholar4ai.com/journals/energy-economics.md) | 32 |
| 5 | [International Review of Financial Analysis](https://scholar4ai.com/journals/international-review-of-financial-analysis.md) | 29 |
| 6 | [The North American Journal of Economics and Finance](https://scholar4ai.com/journals/the-north-american-journal-of-economics-and-finance.md) | 28 |
| 7 | [Resources Policy](https://scholar4ai.com/journals/resources-policy.md) | 23 |
| 8 | [Financial Innovation](https://scholar4ai.com/journals/financial-innovation.md) | 21 |
| 9 | [Computational Economics](https://scholar4ai.com/journals/computational-economics.md) | 15 |
| 10 | [Journal of Asset Management](https://scholar4ai.com/journals/journal-of-asset-management.md) | 14 |

*Institutions with the most papers, since 2023*

| # | Institution | Papers |
|---:|---|---:|
| 1 | [Lebanese American University](https://scholar4ai.com/institutions/lebanese-american-university.md) | 37 |
| 2 | Pusan National University | 17 |
| 3 | Tunis El Manar University | 15 |
| 4 | United Arab Emirates University | 15 |
| 5 | [University of Economics Ho Chi Minh City](https://scholar4ai.com/institutions/university-of-economics-ho-chi-minh-city.md) | 14 |
| 6 | Sultan Qaboos University | 12 |
| 7 | [University of Lisbon](https://scholar4ai.com/institutions/university-of-lisbon.md) | 11 |
| 8 | Centro de Investigação em Sociologia Económica e das Organizações | 10 |
| 9 | University of Ghana | 10 |
| 10 | University of Jordan | 10 |

*Countries with the most papers, since 2023*

| # | Country | Papers |
|---:|---|---:|
| 1 | China | 125 |
| 2 | United Kingdom | 57 |
| 3 | United States | 54 |
| 4 | India | 48 |
| 5 | Pakistan | 48 |
| 6 | Tunisia | 46 |
| 7 | France | 45 |
| 8 | Turkey | 45 |
| 9 | Lebanon | 38 |
| 10 | Saudi Arabia | 36 |

*Keywords with the most papers, since 2023*

| # | Keyword | Papers |
|---:|---|---:|
| 1 | [COVID-19 pandemic](https://scholar4ai.com/keywords/covid-19-pandemic.md) | 129 |
| 2 | [hedging](https://scholar4ai.com/keywords/hedging.md) | 91 |
| 3 | [Russian invasion of Ukraine](https://scholar4ai.com/keywords/russian-invasion-of-ukraine.md) | 76 |
| 4 | [volatility spillovers](https://scholar4ai.com/keywords/volatility-spillovers.md) | 70 |
| 5 | [Bitcoin](https://scholar4ai.com/keywords/bitcoin.md) | 63 |
| 6 | gold | 52 |
| 7 | [cryptocurrency](https://scholar4ai.com/keywords/cryptocurrency.md) | 45 |
| 8 | safe-haven assets | 42 |
| 9 | [green bonds](https://scholar4ai.com/keywords/green-bonds.md) | 40 |

## Most-cited papers

*Most-cited papers since 2017*

| # | Citations | Per month | Title | Journal | Published | Authors |
|---:|---:|---:|---|---|---|---|
| 1 | 880 | 11.3 | [The contagion effects of the COVID-19 pandemic: Evidence from gold and cryptocurrencies](https://doi.org/10.1016/j.frl.2020.101554) | [Finance research letters](https://scholar4ai.com/journals/finance-research-letters.md) | 2020-05-14 | Shaen Corbet, Charles James Larkin, Brian M. Lucey |
| 2 | 832 | 10.8 | [Safe haven or risky hazard? Bitcoin during the Covid-19 bear market](https://doi.org/10.1016/j.frl.2020.101607) | [Finance research letters](https://scholar4ai.com/journals/finance-research-letters.md) | 2020-05-24 | Thomas Conlon, Richard J. McGee |
| 3 | 633 | 6.1 | [Portfolio diversification with virtual currency: Evidence from bitcoin](https://doi.org/10.1016/j.irfa.2018.03.004) | [International Review of Financial Analysis](https://scholar4ai.com/journals/international-review-of-financial-analysis.md) | 2018-03-25 | Khaled Guesmi, Samir Saadi, Ilyes Abid et al. |
| 4 | 632 | 8.8 | [Return connectedness across asset classes around the COVID-19 outbreak](https://doi.org/10.1016/j.irfa.2020.101646) | [International Review of Financial Analysis](https://scholar4ai.com/journals/international-review-of-financial-analysis.md) | 2020-11-20 | Elie I. Bouri, Oğuzhan Çepni, David Gabauer et al. |
| 5 | 603 | 7.8 | [Are cryptocurrencies a safe haven for equity markets? An international perspective from the COVID-19 pandemic](https://doi.org/10.1016/j.ribaf.2020.101248) | [Research in International Business and Finance](https://scholar4ai.com/journals/research-in-international-business-and-finance.md) | 2020-06-04 | Thomas Conlon, Shaen Corbet, Richard J. McGee |

## Cite this page

Scholar4AI. (2026). Papers on “portfolio diversification”. Journal and Conference Research Rankings. Retrieved November 3, 2026, from https://scholar4ai.com/keywords/portfolio-diversification

```bibtex
@misc{scholar4ai-keywords-portfolio-diversification,
  author = {{Scholar4AI}},
  title = {Papers on “portfolio diversification”},
  year = {2026},
  howpublished = {\url{https://scholar4ai.com/keywords/portfolio-diversification}},
  urldate = {2026-11-03},
  note = {Journal and Conference Research Rankings; data from OpenAlex (CC0); licensed CC BY-NC 4.0}
}
```

License: CC BY-NC 4.0 (https://creativecommons.org/licenses/by-nc/4.0/).