Ignoring the possible hierarchical clustering of the data that frequently characterises the structure of labour markets implies that studies of the effects of income tax changes on labour supply use less than necessary information on the variability of the labour response. Estimation efficiency...

Ignoring the possible hierarchical clustering of the data that frequently characterises the structure of labour markets implies that studies of the effects of income tax changes on labour supply use less than necessary information on the variability of the labour response. Estimation efficiency...

Territory risk analysis has played an important role in auto insurance rate regulation. It aims to design rating territories from a set of basic rating units so that their respective risk relativities can be estimated to reflect the regional risk of insurance. In this work, spatially constrained...