Christiaan Heij is assistant professor in statistics and econometrics at the Econometric Institute. His research and lecturing activities are focused on econometrics and on statistical research methods in economics and business. Some of his more recent research activities are in macroeconimic forecasting, prediction and planning of surgical procedure times, survey effects in opinion polls, and maritime safety. He is chairman of the educational board ("Opleidingscommissie") for econometrics and operations research.