Australia's National Electricity Market (NEM) is experiencing one of the world's fastest and marked transitions toward variable renewable energy generation. This transformation poses challenges to system security and reliability and has triggered increased variability and uncertainty in...

The Australian National Electricity Market (NEM) is an energy-only zonal instance of the integrated pool model without a day-ahead market where a security-constrained economic-dispatch (SCED) engine controls dispatch and sets the price every 5 minutes. After a brief overview of pool markets...

This article explores nonlinearities in the response of speculators' trading activity to price changes in live cattle, corn, and lean hog futures markets. Analyzing weekly data from March 4, 1997 to December 27, 2005, we reject linearity in all of these markets. Using smooth transition...