Castiglioni, M., D. Ferraioli, N. Gatti, A. Marchesi, and G. Romano. “Efficiency of Ad Auctions With Price Displaying”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 36, no. 5, June 2022, pp. 4933-40, doi:10.1609/aaai.v36i5.20423.