Four electricity futures markets on NYMEX between 1996 and 1999 are examined using a TARCH model. The evidence suggests traders had an asymmetric reaction to new information. Evidence also is found for a correlation between futures returns and trading volume in two markets (COB and PV).

We model the tradeoff students face between devoting time to coursework and time for other activities. We show how the model can be used to identify whether computers are productive tools and whether students will learn more when using computers. We present our own empirical findings, in a case...

Economic ideology is defined in the Oxford Dictionary as "a system of ideas and ideals, especially one which forms the basis of economic or political theory and policy." Because it is the foundation for understanding disagreements about economic theories and policy we argue that students should...

Results from a survey of U.S. economics faculty (816 responses) indicate the extent to which grades are emphasised in their classes. We measure learning- and grade-orientations and relate our findings to empirical research in economics and educational psychology. We find agreement among...