Software can be distributed closed source (proprietary) or open source (developed collaboratively). While a firm cannot sell open source software, and so loses potential sales revenue, the open source software development process can have a substantial positive impact on the quality of a...

We present a novel model of corruption dynamics in the form of a nonlinear optimal dynamic control problem. It has a tipping point, but one whose origins and character are distinct from that in the classic Schelling (1978) model. The decision maker choosing a level of corruption is the chief or...

We present a model of fixing or patching a software problem after the product has been released in the market. Specifically, we model a software firm's trade-off in releasing a buggy product early and investments in fixing it later. Just as the marginal cost of producing software can be...

This paper presents a simple economic model of a drug dealer's decision about how many customers to supply. The model relates the number of customers (i.e., the branching factor of the distribution network) to a quantity discount factor describing the extent to which prices are marked up from...

Some have suggested fighting the drug problem with so-called "zero-tolerance" policies that impose stiff sanctions for possession of even trace amounts of illicit drugs. Such policies can swamp the criminal justice system and violate the principle that the punishment should fit the crime, but...