All Stories

  1. Indicators used to measure service innovation and manufacturing innovation

    Article • Journal of Innovation & Knowledge, January 2020, Elsevier

    Nelson Areal

  2. The impact of microblogging data for stock market prediction: using Twitter to predict returns, volatility, trading volume and survey sentiment indices

    Article • Expert Systems with Applications, December 2016, Elsevier

    Dr Paulo Cortez, Nelson Areal

  3. Stock market sentiment lexicon acquisition using microblogging data and statistical measures

    Article • Decision Support Systems, May 2016, Elsevier

    Dr Paulo Cortez, Nelson Areal

  4. Great Places to Work®: Resilience in Times of Crisis

    Article • Human Resource Management, January 2015, Wiley

    Nelson Areal

  5. Automatic creation of stock market lexicons for sentiment analysis using StockTwits data

    Article • January 2014, ACM (Association for Computing Machinery)

    Dr Paulo Cortez, Nelson Areal

  6. When times get tough, gold is golden

    Article • European Journal of Finance, November 2013, Taylor & Francis

    Nelson Areal

  7. The conditional performance of US mutual funds over different market regimes: do different types of ethical screens matter?

    Article • October 2013, Springer Science + Business Media

    Nelson Areal

  8. Fast Trees for Options with Discrete Dividends

    Article • The Journal of Derivatives, August 2013, Institutional Investor Journals

    Nelson Areal

  9. On the Predictability of Stock Market Behavior Using StockTwits Sentiment and Posting Volume

    Article • January 2013, Springer Science + Business Media

    Dr Paulo Cortez, Nelson Areal

  10. SOCIALLY RESPONSIBLE INVESTING IN THE GLOBAL MARKET: THE PERFORMANCE OF US AND EUROPEAN FUNDS

    Article • International Journal of Finance & Economics, September 2011, Wiley

    Nelson Areal

  11. Students' perceptions of Blackboard and Moodle in a Portuguese university

    Article • British Journal of Educational Technology, June 2010, Wiley

    Nelson Areal

  12. On the dangers of a simplistic American option simulation valuation method

    Article • European Journal of Finance, June 2010, Taylor & Francis

    Nelson Areal

  13. The Performance of European Socially Responsible Funds

    Article • Journal of Business Ethics, October 2008, Springer Science + Business Media

    Nelson Areal

  14. On improving the least squares Monte Carlo option valuation method

    Article • Review of Derivatives Research, March 2008, Springer Science + Business Media

    Nelson Areal

  15. Evaluating student allocation in the Portuguese public higher education system

    Article • Higher Education, September 2007, Springer Science + Business Media

    Nelson Areal

  16. The realized volatility of FTSE-100 futures prices

    Article • Journal of Futures Markets, May 2002, Wiley

    Nelson Areal