"Solving economic problems (SEP) measured with a tool developed by one of the authors – Prof. of Financial Management. ...students were asked to use whatever computational and informational tools they wanted, if they did not communicate with their peers. The following tools were allowed: (1) search engine (Google, Bing or similar); (2) ChatGPT or similar; (3) Excel or similar applications; (4) paper and pencil; (5) others (had to specify which). At the end of each [of the four] problem[s], students had to tick which of the tools they used to solve it."