Institut Supérieur de Commerce et d'Administration des Entreprises

Cross-cultural adaptation and psychometric evaluation of the French-Moroccan version of the Engaging Leadership Scale among knowledge workers in Morocco

This study aimed to translate and culturally adapt the Engaging Leadership Scale (ELS) into French for use in the Moroccan context and to provide preliminary evidence on the psychometric quality of this adapted version among knowledge workers. The 12-item ELS was prepared followi...

Sentiment as a Brake, Not a Signal: A Profit-at-Risk and Placebo Attribution of Affective Features in Equity Trading Systems

Trading systems increasingly use the affective content of financial text to size positions, assuming that sentiment carries information a price-based model lacks. We ask whether that assumption survives a falsification test. Using more than three million social-media and news mes...

Sentiment as a Brake, Not a Signal: A Profit-at-Risk and Placebo Attribution of Affective Features in Equity Trading Systems

Trading systems increasingly use the affective content of financial text to size positions, assuming that sentiment carries information a price-based model lacks. We ask whether that assumption survives a falsification test. Using more than three million social-media and news mes...