Students are very interested in lecture examples and class exercises involving data connected to the maiden voyage and the sinking of the liner Titanic. Information on the passengers and their fate can be used to explore relationships between various tests for discrimination between those who...

The debate regarding the determinants of persistent abnormal profits is re-examined using a new approach to the measurement of profits which explicitly accounts for intangible capital. Abnormal profits are estimated using data on tangible and intangible capital for 2800 Australian firms over a...

We consider a semiparametric panel stochastic frontier model where one-sided firm effects representing inefficiencies are correlated with the regressors. A form of the Chamberlain-Mundlak device is used to relate the logarithm of the effects to the regressors resulting in a lognormal...