Author Archives: F. E. Guerra-Pujol
Mathematics and mathematicians on Twitter
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Rule evasion (I-95 edition)
My wife and I took turns driving from Orlando, Florida to Savannah, Georgia via various interstate highways earlier today in order to attend the annual meeting of Academy of Legal Studies in Business (#ALSB): I-4 East to I-95 North to … Continue reading
Tom Brady’s footballs (part 7): some problems with the contagion model
We presented our contagion model of rule evasion in our previous post. Here, however, we shall point out some flaws with our model. To begin with, our model implies that actors are either law-abiding or law-evading, when in reality, actors … Continue reading
Tom Brady’s footballs (part 6): a contagion model of rule evasion
In our previous post, we proposed the possibility of a “contagion model” of legal evasion, noting that such a model is plausible given that people tend to copy or imitate what other people are doing. Here, we present the details … Continue reading
Tom Brady’s footballs (part 5): the social dimension of evasion
In our previous post, we commented on our colleague Alex Raskolnikov’s simple model of legal uncertainty in his excellent paper titled “Probabilistic Compliance” (Yale Journal on Regulation, 2017). To sum up, we loved his probabilistic model of compliance (in our … Continue reading
Tom Brady’s footballs (part 4): review of Raskolnikov (2017)
Thus far, we have seen that many legal rules consist of general standards and thus generate some level of uncertainty. But is it possible to model this legal uncertainty or rule uncertainty in any formal or mathematical sense? In an … Continue reading
Tom Brady’s footballs (part 3)
In our previous post, we mentioned the distinction between “detection uncertainty” and “legal uncertainty.” Briefly, detection uncertainty refers to the risk or probability of getting caught and punished; legal uncertainty, by contrast, occurs when there is no bright line separating … Continue reading
Tom Brady’s footballs (part 2)
In our previous post, we asked: what is the optimal level of cheating in any given domain, such as business, dating, politics, sports, etc.? It turns out there is a long-standing literature on this problem, going back to such philosophical … Continue reading
Tom Brady’s footballs: what is the optimal level of cheating?
That is the subject of one of our ongoing research projects. Cheating occurs in many different domains: business, marriage, politics, sports, etc. In the business world, for example, fraud comes in many shapes and sizes, such as the massive manipulation … Continue reading

