Markets for illicit drugs present an interesting case study for economics, combining non-standard characteristics such as addiction and product illegality. One response has been to argue the generality of economic principles by suggesting that they apply even in the extreme case of markets for...

There is consensus in the literature that spreadsheets are both ubiquitous and error-prone, but little direct evidence concerning whether spreadsheet errors frequently lead to bad decision making. We interviewed 45 executives and senior managers/analysts in the private, public, and non-profit...

Interviews with low-level drug dealers in New York City reveal that the monetary costs of distributing drugs are modest. Hence, the proportion of sales revenue retained by these sellers is a meaningful indicator of their earnings. There are four distinct types of sellers, with systematic...