This paper provides an introduction to the mathematical models that describe the shape of the term structure of interest rates across time. In essence, all these so-called term structure models are driven by the assumption that arbitrage opportunities are absent. The intuitive concept of absence...

This paper analyses the causes of managerial change and the impact of different reforms on firm performance, using survey data from 300 Ukrainian firms. The main findings are: 1) ownership and competition are linked to managerial change: de novo firms but also privatised firms experienced less...