Time series in many areas of application, and notably in the social sciences, are frequently incomplete. This is particularly annoying when we need to have complete data, for instance to compute indexes as a weighted average of values from a number of time series; whenever a single datum is...

The purpose of this article is to explore how much farmers may engage their lands in Best Management Practices (BMPs) through a water quality trading (WQT) program in Kentucky. We conducted a survey of farmers in the Kentucky River watershed from 2011 to 2012. The questions in our survey are...