In the eleventh-century England, the principal economic activity was agricultural production on manorial estates. The paper exploits the Domesday Survey data, collected in 1086, to investigate the entrepreneurial ability of managers of the main classes of estate, king’s, ecclesiastical and lay...

The paper examines second stage DEA efficiency analyses, within the context of a censoring data generating process (DGP) and a fractional data DGP, when efficiency scores are treated as descriptive measures of the relative performance of units in the sample. It is argued that the efficiency...