-called peer group games being non-negative additive games on a permission tree. We provide a polynomial time algorithm for …

We examine recent claims that a particular Q-learning algorithm used by competitors 'autonomously' and systematically … detailed analysis of the inner workings of this algorithm reveals that there is no immediate reason for alarm. We set out what … is needed to demonstrate the existence of a colluding price algorithm that does form a threat to competition. …

Standard economic theory predicts that firms will not invest in general training and will underinvest in specific … training. Empirical evidence, however, indicates that firms do invest in general training of their workers. Evidence from … laboratory experiments points to less underinvestment in specific training than theory predicts. We propose a simple model in …