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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Economics and Finance 42 2088 1887 8 7 419 6615

Doojin Ryu publications per year

The chart shows the history of publications by Doojin Ryu between 2006 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Doojin Ryu published across 21 years, from 2006 to 2026, averaging 23 papers a year. Output peaked at 54 publications in 2025. 55 of the 483 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 2006 to 2026. Vertical axis: number of publications, 0 to 54. Peak 54 publications in 2025. 2006: 2 publications 2007: 0 publications 2008: 4 publications 2009: 4 publications 2010: 5 publications 2011: 6 publications 2012: 14 publications 2013: 24 publications 2014: 15 publications 2015: 20 publications 2016: 20 publications 2017: 26 publications 2018: 30 publications 2019: 40 publications 2020: 29 publications 2021: 40 publications 2022: 45 publications 2023: 51 publications 2024: 53 publications 2025: 54 publications 2026: 1 publication
2006 2026

483 publications in total across all disciplines

View publications per year as a table
Doojin Ryu: publications per year, 2006 to 2026
Year Publications
2006 2
2007 0
2008 4
2009 4
2010 5
2011 6
2012 14
2013 24
2014 15
2015 20
2016 20
2017 26
2018 30
2019 40
2020 29
2021 40
2022 45
2023 51
2024 53
2025 54
2026 1
Total 483
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Doojin Ryu publications per year - data summary

  • Doojin Ryu, a Economics and Finance scholar from Sungkyunkwan University, has 483 publications recorded across 21 years, from 2006 to 2026.
  • The oldest publication on record dates to 2006 and the most recent to 2026.
  • The most productive year is 2025, with 54 publications.
  • The least productive year with any output is 2026, with 1 publication.
  • 1 of the 21 years in the span carries no publications at all (2007).
  • The rate of publication averages 23.0 papers per year over the whole span, or 24.1 per year counting only the 20 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 204 publications, 42% of the career total.
  • Split into equal eras - 2006-2012: 35 publications (5.0 per year); 2013-2019: 175 publications (25.0 per year); 2020-2026: 273 publications (39.0 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Doojin Ryu publication distribution in Economics and Finance in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Economics and Finance in 2026. The highlighted bar marks where Doojin Ryu sits on this spectrum.

No. of scientists
25 50 75 100
Bar chart with 97 bars. Horizontal axis: publications, 42–46 to 521+. Vertical axis: number of scientists, 0 to 111. Most scientists, 111, have 137–141 publications. The last bar groups every scientist with 521 publications or more. The highlighted bar, 417–421 publications, is where this scientist sits. 42–46 publications: 1 scientist 47–51 publications: 12 scientists 52–56 publications: 7 scientists 57–61 publications: 23 scientists 62–66 publications: 32 scientists 67–71 publications: 36 scientists 72–76 publications: 56 scientists 77–81 publications: 57 scientists 82–86 publications: 70 scientists 87–91 publications: 86 scientists 92–96 publications: 72 scientists 97–101 publications: 106 scientists 102–106 publications: 97 scientists 107–111 publications: 96 scientists 112–116 publications: 101 scientists 117–121 publications: 103 scientists 122–126 publications: 102 scientists 127–131 publications: 108 scientists 132–136 publications: 107 scientists 137–141 publications: 111 scientists 142–146 publications: 94 scientists 147–151 publications: 96 scientists 152–156 publications: 100 scientists 157–161 publications: 74 scientists 162–166 publications: 68 scientists 167–171 publications: 91 scientists 172–176 publications: 76 scientists 177–181 publications: 75 scientists 182–186 publications: 61 scientists 187–191 publications: 66 scientists 192–196 publications: 68 scientists 197–201 publications: 71 scientists 202–206 publications: 60 scientists 207–211 publications: 56 scientists 212–216 publications: 44 scientists 217–221 publications: 51 scientists 222–226 publications: 65 scientists 227–231 publications: 48 scientists 232–236 publications: 59 scientists 237–241 publications: 37 scientists 242–246 publications: 37 scientists 247–251 publications: 41 scientists 252–256 publications: 43 scientists 257–261 publications: 33 scientists 262–266 publications: 34 scientists 267–271 publications: 39 scientists 272–276 publications: 25 scientists 277–281 publications: 29 scientists 282–286 publications: 29 scientists 287–291 publications: 26 scientists 292–296 publications: 31 scientists 297–301 publications: 31 scientists 302–306 publications: 24 scientists 307–311 publications: 28 scientists 312–316 publications: 24 scientists 317–321 publications: 13 scientists 322–326 publications: 14 scientists 327–331 publications: 25 scientists 332–336 publications: 18 scientists 337–341 publications: 16 scientists 342–346 publications: 18 scientists 347–351 publications: 15 scientists 352–356 publications: 17 scientists 357–361 publications: 19 scientists 362–366 publications: 16 scientists 367–371 publications: 17 scientists 372–376 publications: 7 scientists 377–381 publications: 18 scientists 382–386 publications: 13 scientists 387–391 publications: 19 scientists 392–396 publications: 9 scientists 397–401 publications: 10 scientists 402–406 publications: 13 scientists 407–411 publications: 13 scientists 412–416 publications: 5 scientists 417–421 publications: 10 scientists 422–426 publications: 6 scientists 427–431 publications: 12 scientists 432–436 publications: 9 scientists 437–441 publications: 9 scientists 442–446 publications: 10 scientists 447–451 publications: 12 scientists 452–456 publications: 8 scientists 457–461 publications: 4 scientists 462–466 publications: 7 scientists 467–471 publications: 4 scientists 472–476 publications: 5 scientists 477–481 publications: 6 scientists 482–486 publications: 7 scientists 487–491 publications: 8 scientists 492–496 publications: 5 scientists 497–501 publications: 4 scientists 502–506 publications: 4 scientists 507–511 publications: 5 scientists 512–516 publications: 7 scientists 517–520 publications: 7 scientists 521+ publications: 99 scientists
42–46 publications 521+

This scientist: 419 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 521 publications or more.

View publications distribution as a table
Number of Economics and Finance scientists by publication count, Research.com 2026 ranking edition. Based on 3,760 ranked scientists.
Publications Scientists This scientist
42–46 1
47–51 12
52–56 7
57–61 23
62–66 32
67–71 36
72–76 56
77–81 57
82–86 70
87–91 86
92–96 72
97–101 106
102–106 97
107–111 96
112–116 101
117–121 103
122–126 102
127–131 108
132–136 107
137–141 111
142–146 94
147–151 96
152–156 100
157–161 74
162–166 68
167–171 91
172–176 76
177–181 75
182–186 61
187–191 66
192–196 68
197–201 71
202–206 60
207–211 56
212–216 44
217–221 51
222–226 65
227–231 48
232–236 59
237–241 37
242–246 37
247–251 41
252–256 43
257–261 33
262–266 34
267–271 39
272–276 25
277–281 29
282–286 29
287–291 26
292–296 31
297–301 31
302–306 24
307–311 28
312–316 24
317–321 13
322–326 14
327–331 25
332–336 18
337–341 16
342–346 18
347–351 15
352–356 17
357–361 19
362–366 16
367–371 17
372–376 7
377–381 18
382–386 13
387–391 19
392–396 9
397–401 10
402–406 13
407–411 13
412–416 5
417–421 10 419
422–426 6
427–431 12
432–436 9
437–441 9
442–446 10
447–451 12
452–456 8
457–461 4
462–466 7
467–471 4
472–476 5
477–481 6
482–486 7
487–491 8
492–496 5
497–501 4
502–506 4
507–511 5
512–516 7
517–520 7
521+ 99
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Doojin Ryu publication distribution in Economics and Finance in 2026 - data summary

  • The chart plots the publication count of all 3,760 Economics and Finance scientists ranked by Research.com in 2026, grouped into 97 ranges running from 42–46 to 521+ publications.
  • Doojin Ryu, a Economics and Finance scholar from Sungkyunkwan University, records 419 publications - the 94th percentile of the discipline.
  • 94% of ranked Economics and Finance scientists score the same or lower than Doojin Ryu, and about 6% score higher.
  • The median of the discipline falls in the 167–171 publications range, and Doojin Ryu ranks above the median.
  • The most crowded range is 137–141 publications, holding 111 scientists (3% of the field).
  • 48% of the field sits in the lowest quarter of the value range (up to 162–166 publications), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 521 publications or more, 99 scientists in all (3% of the field).

Doojin Ryu D-index placement in Economics and Finance in 2026

The chart shows the D-index (discipline H-index) distribution of Economics and Finance scientists ranked by Research.com in 2026. The highlighted bar marks where Doojin Ryu sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 72 bars. Horizontal axis: D-Index, 30 to 101+. Vertical axis: number of scientists, 0 to 178. Most scientists, 178, have 33 D-Index. The last bar groups every scientist with 101 D-Index or more. The highlighted bar, 42 D-Index, is where this scientist sits. 30 D-Index: 126 scientists 31 D-Index: 147 scientists 32 D-Index: 157 scientists 33 D-Index: 178 scientists 34 D-Index: 171 scientists 35 D-Index: 141 scientists 36 D-Index: 132 scientists 37 D-Index: 129 scientists 38 D-Index: 130 scientists 39 D-Index: 120 scientists 40 D-Index: 117 scientists 41 D-Index: 113 scientists 42 D-Index: 114 scientists 43 D-Index: 97 scientists 44 D-Index: 115 scientists 45 D-Index: 86 scientists 46 D-Index: 78 scientists 47 D-Index: 83 scientists 48 D-Index: 62 scientists 49 D-Index: 74 scientists 50 D-Index: 50 scientists 51 D-Index: 66 scientists 52 D-Index: 69 scientists 53 D-Index: 55 scientists 54 D-Index: 67 scientists 55 D-Index: 61 scientists 56 D-Index: 62 scientists 57 D-Index: 45 scientists 58 D-Index: 34 scientists 59 D-Index: 47 scientists 60 D-Index: 46 scientists 61 D-Index: 36 scientists 62 D-Index: 37 scientists 63 D-Index: 56 scientists 64 D-Index: 50 scientists 65 D-Index: 32 scientists 66 D-Index: 28 scientists 67 D-Index: 30 scientists 68 D-Index: 24 scientists 69 D-Index: 25 scientists 70 D-Index: 22 scientists 71 D-Index: 21 scientists 72 D-Index: 26 scientists 73 D-Index: 24 scientists 74 D-Index: 23 scientists 75 D-Index: 12 scientists 76 D-Index: 14 scientists 77 D-Index: 15 scientists 78 D-Index: 15 scientists 79 D-Index: 17 scientists 80 D-Index: 17 scientists 81 D-Index: 11 scientists 82 D-Index: 10 scientists 83 D-Index: 16 scientists 84 D-Index: 11 scientists 85 D-Index: 5 scientists 86 D-Index: 9 scientists 87 D-Index: 13 scientists 88 D-Index: 9 scientists 89 D-Index: 7 scientists 90 D-Index: 6 scientists 91 D-Index: 4 scientists 92 D-Index: 8 scientists 93 D-Index: 10 scientists 94 D-Index: 11 scientists 95 D-Index: 6 scientists 96 D-Index: 4 scientists 97 D-Index: 4 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100 D-Index: 8 scientists 101+ D-Index: 100 scientists
30 D-Index 101+

This scientist: 42 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 101 D-Index or more.

View D-Index distribution as a table
Number of Economics and Finance scientists by D-index, Research.com 2026 ranking edition. Based on 3,760 ranked scientists.
D-Index Scientists This scientist
30 126
31 147
32 157
33 178
34 171
35 141
36 132
37 129
38 130
39 120
40 117
41 113
42 114 42
43 97
44 115
45 86
46 78
47 83
48 62
49 74
50 50
51 66
52 69
53 55
54 67
55 61
56 62
57 45
58 34
59 47
60 46
61 36
62 37
63 56
64 50
65 32
66 28
67 30
68 24
69 25
70 22
71 21
72 26
73 24
74 23
75 12
76 14
77 15
78 15
79 17
80 17
81 11
82 10
83 16
84 11
85 5
86 9
87 13
88 9
89 7
90 6
91 4
92 8
93 10
94 11
95 6
96 4
97 4
98 6
99 6
100 8
101+ 100
Download as CSV

Doojin Ryu D-index placement in Economics and Finance in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 3,760 Economics and Finance scientists ranked by Research.com in 2026, grouped into 72 ranges running from 30 to 101+ D-Index.
  • Doojin Ryu, a Economics and Finance scholar from Sungkyunkwan University, records 42 D-Index - the 47th percentile of the discipline.
  • 47% of ranked Economics and Finance scientists score the same or lower than Doojin Ryu, and about 53% score higher.
  • The median of the discipline falls in the 44 D-Index range, and Doojin Ryu ranks below the median.
  • The most crowded range is 33 D-Index, holding 178 scientists (5% of the field).
  • 59% of the field sits in the lowest quarter of the value range (up to 47 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 101 D-Index or more, 100 scientists in all (3% of the field).

Overview

Doojin Ryu is a researcher affiliated with Sungkyunkwan University in South Korea. Their work predominantly focuses on the intersection of economics, econometrics, and finance, with significant contributions in business, management, and accounting.

Their main areas of research span across various subfields, including economics and econometrics, finance, accounting, strategy and management, and information systems. Within these disciplines, Doojin Ryu has concentrated on topics related to financial markets and investment strategies, market dynamics and volatility, corporate finance and governance, banking stability, regulation and efficiency, housing market economics, auditing, earnings management and governance, as well as complex systems and time series analysis.

Doojin Ryu's scholarly output includes influential papers such as:

  • "Volatility Spillovers between Equity and Green Bond Markets" (2020) published in Sustainability
  • "ESG performance and firm value in the Chinese market" (2023) published in Investment Analysts Journal
  • "Corporate Bankruptcy Prediction Using Machine Learning Methodologies with a Focus on Sequential Data" (2021) published in Computational Economics
  • "Information uncertainty, investor sentiment, and analyst reports" (2021) published in International Review of Financial Analysis
  • "Corporate Default Predictions Using Machine Learning: Literature Review" (2020) published in Sustainability

Frequent co-authors who have collaborated with Doojin Ryu include:

  • Jinyoung Yu
  • Hoon Cho
  • Robert I. Webb
  • Hyun-Jung Nam
  • Daehyeon Park

Their research frequently appears in several publication venues, with the most common being:

  • SSRN Electronic Journal
  • Finance Research Letters
  • Investment Analysts Journal
  • Journal of Futures Markets
  • Borsa Istanbul Review

Doojin Ryu's work involves the application of machine learning methodologies to corporate bankruptcy and default prediction, as well as the analysis of volatility spillovers in green bond and equity markets. Additionally, their research covers environmental, social, and governance (ESG) performance and its impact on firm value within varying market contexts.

The combination of topics and interdisciplinary approaches suggests a comprehensive engagement with quantitative finance, financial economics, and corporate governance issues that influence market behavior and investment decisions.

Best Publications

  • Informed trading in the index option market: The case of KOSPI 200 options

    Hee-Joon Ahn;Jangkoo Kang;Doojin Ryu

  • Blockchain Technology and Manufacturing Industry: Real-Time Transparency and Cost Savings

    Taehyun Ko;Jaeram Lee;Doojin Ryu

  • Corporate Environmental Responsibility: A Legal Origins Perspective

    Hakkon Kim;Kwangwoo Park;Doojin Ryu

  • Investor sentiment and return predictability of disagreement

    Jun Sik Kim;Doojin Ryu;Sung Won Seo

  • Investor sentiment, trading behavior and stock returns

    Doojin Ryu;Hyeyoen Kim;Heejin Yang

  • The Information Content of Trades: An Analysis of KOSPI 200 Index Derivatives

    Doojin Ryu

  • Volatility Spillovers between Equity and Green Bond Markets

    Daehyeon Park;Jiyeon Park;Doojin Ryu

  • Intraday price formation and bid–ask spread components: A new approach using a cross‐market model

    Doojin Ryu

  • Information Effects of Trade Size and Trade Direction: Evidence from the KOSPI 200 Index Options Market*

    Hee-Joon Ahn;Jangkoo Kang;Doojin Ryu

  • Firm-specific investor sentiment and daily stock returns

    Sang Ik Seok;Hoon Cho;Doojin Ryu

  • ESG controversies and investor trading behavior in the Korean market

    Unknown

  • Information uncertainty, investor sentiment, and analyst reports

    Karam Kim;Doojin Ryu;Heejin Yang

  • Price impact asymmetry of futures trades: Trade direction and trade size

    Doojin Ryu

  • Corporate Default Predictions Using Machine Learning: Literature Review

    Hyeongjun Kim;Hoon Cho;Doojin Ryu

  • Implied Volatility Index of KOSPI200: Information Contents and Properties

    Doojin Ryu

  • Investor sentiment, asset returns and firm characteristics: Evidence from the Korean Stock Market

    Heejin Yang;Doojin Ryu;Doowon Ryu

  • Firm-specific investor sentiment and the stock market response to earnings news

    Sang Ik Seok;Hoon Cho;Doojin Ryu

  • Option Market Characteristics and Price Monotonicity Violations

    Heejin Yang;Hyung Suk Choi;Doojin Ryu

  • Trade duration, informed trading, and option moneyness

    Kee H. Chung;Seongkyu “Gilbert” Park;Doojin Ryu

  • Corporate Vulnerability Index as a Fear Gauge? Exploring the Contagion Effect between U.S. and Korean Markets

    Jun Sik Kim;Doojin Ryu;Sung Won Seo

  • Asymmetric and negative return-volatility relationship: the case of the VKOSPI

    Qian Han;Biao Guo;Doojin Ryu;Robert I. Webb

Frequent Co-Authors

Ali M. Kutan
Ali M. Kutan Southern Illinois University Edwardsville
Kee H. Chung
Kee H. Chung University at Buffalo, State University of New York
Bong-Soo Lee
Bong-Soo Lee Korea Advanced Institute of Science and Technology
Jonathan A. Batten
Jonathan A. Batten RMIT University

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