Adverse selection

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Adverse selection

Quality:

Adverse selection - selective trading based on possession of hidden information. Article “Adverse selection” in English Wikipedia has 55.9 points for quality (as of July 1, 2025). The article contains 46 references and 18 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

Since the creation of article “Adverse selection”, its content was written by 136 registered users of English Wikipedia and edited by 516 registered Wikipedia users in all languages.

The article is cited 259 times in English Wikipedia and cited 601 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #14785 in March 2005
  • Global: #18841 in November 2004

The highest popularity rank from 2008:

  • Local (English): #28823 in December 2014
  • Global: #37574 in December 2014

There are 22 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Adverse selection
55.8647
2Japanese (ja)
逆選抜
32.2494
3Korean (ko)
역선택
21.4659
4German (de)
Adverse Selektion
20.8146
5Persian (fa)
کژگزینی
18.8775
6Chinese (zh)
逆向选择
15.7401
7Swedish (sv)
Snedvridet urval
10.8328
8Polish (pl)
Negatywna selekcja
10.6291
9Spanish (es)
Selección adversa
10.1907
10Danish (da)
Ugunstig udvælgelse
10.1324
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Adverse selection" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Adverse selection
2 478 000
2German (de)
Adverse Selektion
669 547
3French (fr)
Sélection adverse
349 389
4Japanese (ja)
逆選抜
340 684
5Spanish (es)
Selección adversa
274 008
6Chinese (zh)
逆向选择
201 939
7Italian (it)
Selezione avversa
200 326
8Polish (pl)
Negatywna selekcja
101 829
9Portuguese (pt)
Seleção adversa
78 016
10Korean (ko)
역선택
67 546
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Adverse selection" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Adverse selection
3 988
2Chinese (zh)
逆向选择
752
3Japanese (ja)
逆選抜
498
4German (de)
Adverse Selektion
462
5French (fr)
Sélection adverse
459
6Korean (ko)
역선택
257
7Italian (it)
Selezione avversa
189
8Spanish (es)
Selección adversa
167
9Polish (pl)
Negatywna selekcja
157
10Russian (ru)
Неблагоприятный отбор
118
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Adverse selection" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Adverse selection
136
2German (de)
Adverse Selektion
82
3French (fr)
Sélection adverse
38
4Italian (it)
Selezione avversa
34
5Japanese (ja)
逆選抜
28
6Dutch (nl)
Adverse selectie
28
7Russian (ru)
Неблагоприятный отбор
23
8Chinese (zh)
逆向选择
17
9Spanish (es)
Selección adversa
15
10Vietnamese (vi)
Lựa chọn trái ý
15
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "Adverse selection" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Arabic (ar)
الاختيار السالب
0
2Catalan (ca)
Selecció adversa
0
3Danish (da)
Ugunstig udvælgelse
0
4German (de)
Adverse Selektion
0
5English (en)
Adverse selection
0
6Spanish (es)
Selección adversa
0
7Persian (fa)
کژگزینی
0
8Finnish (fi)
Haitallinen valikoituminen
0
9French (fr)
Sélection adverse
0
10Indonesian (id)
Seleksi yang merugikan
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Adverse selection" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Adverse selection
259
2Japanese (ja)
逆選抜
70
3German (de)
Adverse Selektion
56
4Chinese (zh)
逆向选择
31
5French (fr)
Sélection adverse
29
6Portuguese (pt)
Seleção adversa
28
7Spanish (es)
Selección adversa
21
8Italian (it)
Selezione avversa
14
9Persian (fa)
کژگزینی
13
10Vietnamese (vi)
Lựa chọn trái ý
12
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
الاختيار السالب
caCatalan
Selecció adversa
daDanish
Ugunstig udvælgelse
deGerman
Adverse Selektion
enEnglish
Adverse selection
esSpanish
Selección adversa
faPersian
کژگزینی
fiFinnish
Haitallinen valikoituminen
frFrench
Sélection adverse
idIndonesian
Seleksi yang merugikan
itItalian
Selezione avversa
jaJapanese
逆選抜
koKorean
역선택
nlDutch
Adverse selectie
plPolish
Negatywna selekcja
ptPortuguese
Seleção adversa
ruRussian
Неблагоприятный отбор
svSwedish
Snedvridet urval
trTurkish
Ters seçim
uzUzbek
Noqulay tanlov
viVietnamese
Lựa chọn trái ý
zhChinese
逆向选择

Popularity rank trends

Best Rank English:
#28823
12.2014
Global:
#37574
12.2014

AI rank trends

Best Rank English:
#14785
03.2005
Global:
#18841
11.2004

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Adverse selection from Wikipedia articles about Information asymmetry, Patient Protection and Affordable Care Act, The Market for Lemons, Principal–agent problem and Moral hazard. Whereas reading the article about Adverse selection people most often go to Wikipedia articles on The Market for Lemons, Moral hazard, Information asymmetry, Greshams law and Pareto efficiency.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 15 February 2026

On 15 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Wuthering Heights, 2026 Winter Olympics, Epstein files, Ilia Malinin, Wuthering Heights, Ghislaine Maxwell, Lucas Pinheiro Braathen, 2026 Winter Olympics medal table, Valentine's Day.

In English Wikipedia the most popular articles on that day were: Jeffrey Epstein, Wuthering Heights, Wuthering Heights (2026 film), 2026 Winter Olympics, Lucas Pinheiro Braathen, Ice hockey at the 2026 Winter Olympics – Men's tournament, Epstein files, John F. Kennedy Jr., Anthony Kim, James Van Der Beek.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information