The present paper studies among other issues the effects on equity and efficiency of two classic principles of …

technical efficiency across industries. Technical efficiency is estimated by firms fixed effects. One striking result is that … the distribution of technical efficiency across industries is positively skewed. This is because the efficiency … technical efficiency differences across industries. Our econometric analyses provide evidence that capital and human capital …

on students learning efficiency. The results indicate that the main effects of the re-organization on the learning … efficiency was a decreasing importance of students' attendance and of continuous preparation of the material. …