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Record W4386927648 · doi:10.7202/1091997ar

La modélisation des risques, peut-on dompter le hasard ?

2012· article· fr· W4386927648 on OpenAlexvenueno aff
Geneviève Gauthier

Bibliographic record

VenueAssurances et gestion des risques · 2012
Typearticle
Languagefr
FieldEconomics, Econometrics and Finance
TopicCredit Risk and Financial Regulations
Canadian institutionsnot available
Fundersnot available
KeywordsHumanitiesPhilosophyPhysicsPolitical science

Abstract

fetched live from OpenAlex

La modélisation des risques nous permet de mieux mesurer l’occurrence de certains événements mais elle ne nous permet pas de les prédire avec exactitude. Dans ce travail de modélisation des risques, le choix des méthodes et techniques permettant la construction du modèle, le choix de la méthode d’estimation et même le choix des données influencent directement et de façon importante les réponses obtenues et, de ce fait et malgré l’apparence de rigueur, ces choix ne sont pas neutres. Nous abordons ces différents aspects à travers quelques exemples.La question de la modélisation de la dépendance est également abordée lorsqu’il s’agit de bien mesurer les risques. Enfin, une question fondamentale se pose : qui sont les responsables de nos crises financières : les acheteurs, les institutions financières, les organismes de réglementation ? La réponse à la question posée en titre n’est pas simple. Non, il n’est pas possible de dompter complètement le hasard, car il est impossible de prévoir l’avenir et la modélisation n’est pas d’une précision absolue. Mais il est possible d’apprivoiser le hasard, de le cerner, d’en maîtriser les effets néfastes. La modélisation nous apprend à composer avec les incertitudes.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.002
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Insufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.447
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0020.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0010.001
Scholarly communication0.0000.002
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.001

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.084
GPT teacher head0.293
Teacher spread0.208 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2012
Admission routes1
Has abstractyes

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