This paper examines the Federal quarantine established by USDA in 1996 to prevent the spread of Karnal bunt, a minor disease of wheat. During the early stages of its regulatory strategy, USDA made extensive use of probabilistic risk assessments to determine the efficacy of various quarantine...

We use an index number approach to measure total factor productivity (TFP) growth in Indonesian crop and livestock agriculture between 1961-2000. A Tornqvist index is developed to minimize biases that may result from relative price changes in factor and output weights. The results indicate that...