We can avoid problems of adverse selection by O A. estimating the probability of an event's occurrence. 0 B. gathering more information about products. 0 C. screening potential customers. 0 o. All of the above. A professor leaves an exam hall unsupervised during a test. This represents a potential problem of O A. svmmetni: information. 0 B. adverse selection. 0 C. riskaverse behavior. 0 D. moral hazard