Abstract
<jats:p>The jubilee Book Dedicated to Professor Ryszard Kokoszczyński Abstract The jubilee book prepared to celebrate the 70th birthday of professor Ryszard Kokoszczyński – an eminent scientist and authority in the Polish economic environment. The articles collected in it and written by Professor’s friends, colleagues and students reflect the broad spectrum of his research interests – from quantitative finance to macroeconomics and monetary policy. The authors address topics relevant to the modern economy, such as: the challenges of monetary policy, the importance of independence and credibility of central banks, stock index replication strategies, the security effectiveness of the option portfolio, the use of explainable artificial intelligence tools in advertising and the investment systems based on stock index volatility contracts.</jats:p>