Rome was an exceedingly large city at the start of the Roman Empire, and it required massive grain imports to feed its population. We argue that Roman merchants organized these imports and that they used a variety of mechanisms to deal with the informational problems of long-distance trade at...

We examine monetization in the early Roman Empire by considering money as a unit of account. Widespread use of prices indicates widespread monetization. A consistent set of prices for wheat indicates that this monetization encouraged trade to grow across the Mediterranean. This argument is...

This article uses ARIMA and Tobit analysis to examine the impact on officer behavior of changes in a policy governing "hot" pursuits of fleeing suspects. Using a 2-year time series, aggregated by week, we calculated the impact on pursuit behavior of two changes in pursuit policy: a requirement...

The UK National Institute for Clinical Excellence (NICE) Clinical Guidelines recommend routine prescription of antidepressants for moderate to severe depression. While many patients accept a prescription, one in three do not complete treatment. We carried out a meta-ethnography of published...

Distributions of triplets in some genetic sequences are examined and found to be well described by a two-parameter Markov process with a sparse transition matrix. The standard deviations of all the relevant parameters are not large, indicating that most sequences gather in a small region in the...