Newspaper Joint Operating Agreements (JOAs) are long term, inflexible contracts between metropolitan daily newspapers in the same market. These contracts maintain two editorial voices while combining all business operations of the two competitors in order to capture many of the scale economies...

Inconsistencies in duration data at the "seams" between surveys make the problem of determining where one spell ends and the next begins impossible to resolve with certainty. In this paper I develop a statistical approach to partitioning data records with inconsistent duration data. The basis of...