We explore a novel approach to spam based on economic rather than technological or regulatory screening mechanisms. Our first point is that mechanisms designed to promote valuable communication can often outperform those designed merely to block wasteful communication. Our second is to shift focus from the information in the message to the information known to the sender. We can then use princi...

We introduce in this thesis the idea of a variable lookback model, i.e., a model whose predictions are based on a variable portion of the information set. We verify the intuition of this model in the context of experimental finance. We also propose a novel algorithm to estimate it, the variable lookback algorithm, and apply the latter to build investment strategies. Financial markets under info...

Pay-for-performance (P4P) pricing schemes such as pay per click and pay per action have increased in popularity in Internet advertising. Meanwhile, pay-per-impression (PPI) schemes persist, and several publishers have begun to offer a hybrid mix of PPI and P4P schemes. Given the proliferation of pricing schemes, this study examines the optimal choices for publishers. The authors highlight two-s...

This study aims to determine the effect of information asymmetry on earnings management, accounting fraud, budgetary slack, and cost equity. is conducted using literature techniques by finding facts making interpretations. Data sources are obtained from results previous studies, 2017 2020, which have been published in various national journals. concludes that has a positive management; fraud; s...