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Record W7057234114

International equity risk premium predictability in the frequency domain

2018· dissertation· pt· W7057234114 on OpenAlexaboutno aff

Bibliographic record

VenuePortuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) · 2018
Typedissertation
Languagept
FieldEngineering
TopicParticle accelerators and beam dynamics
Canadian institutionsnot available
Fundersnot available
KeywordsPredictabilityEquity (law)Risk premiumPrice riskRisk management
DOInot available

Abstract

fetched live from OpenAlex

Nesta dissertação, estendemos o método SOPWAV de Faria e Verona (2018), que foi desenvolvido para prever o retorno das ações no mercado dos Estados Unidos da América, para mercados internacionais. O SOPWAV é baseado no método sum of the parts (SOP) proposto por Ferreira e Santa Clara (2011), que decompõe o retorno das ações em três partes diferentes, com o objetivo de, num primeiro momento, estimar cada uma destas separadamente e, num segundo momento, somá-las para obter a previsão do retorno das ações. O SOPWAV usa as frequências das três partes referidas, em vez das séries temporais originais (utilizadas no SOP), para as estimar, através de métodos de decomposição de onduletas. O método SOPWAV permite isolar as frequências das partes dos retornos das ações que contêm maior poder preditivo. Através dos resultados obtidos, percebemos que este método melhora significativamente a previsão dos retornos das ações na amostra dos países analisados, nomeadamente, Japão, Reino Unido, França, Alemanha, Canada, Suíça, Austrália e África do Sul. Para além de melhorar a previsão dos retornos, o método SOPWAV, de um modo geral, permite também maiores ganhos de utilidade para um investidor, quando comparados com a média histórica e o SOP; ganhos de utilidade, comprovados em estratégias de trading, que foram simuladas no decorrer desta investigação.

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)0.018
metaresearch head score (Gemma)0.006
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Science and technology studies
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.512
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0180.006
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0040.007
Science and technology studies0.0020.003
Scholarly communication0.0000.001
Open science0.0030.001
Research integrity0.0010.002
Insufficient payload (model declined to judge)0.0000.000

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 head0.053
GPT teacher head0.387
Teacher spread0.334 · 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 designTheoretical or conceptual
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
Published2018
Admission routes1
Has abstractyes

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