NORFOLK, Virginia, Jan. 22 -- European Financial Management, a peer-reviewed journal from the European Financial Management Association, published research articles on the following topics in its January 2023 edition: ORIGINAL ARTICLES: * Menu simplification for portfolio selection under short-sales constraints * Forecasting high-frequency excess stock returns via data analytics and machine learning * Time series reversal in trend-following strategies * Impact of MiFID II tick-size regime  more PR