this paper discusses some of the fundamental considerations when managing mining slopes. the goal of management is to reduce all components that contribute to the geotechnical risk and by doing so reduce the risk to as low as reasonably achievable. the techniques and procedures suggested are not exhaustive; they represent a snapshot of some of the practical techniques the author has found usefu...

A principal must decide whether to implement each of two independent proposals (e.g., earmark requests, policy reforms, grant funding) of unknown quality. Each proposal is represented by an agent who advocates by producing evidence about quality. Although the principal prefers the most-informative evidence, agents strategically choose less-informative evidence to maximize the probability the pr...

The purpose of this study was to quantify and contrast the instantaneous segmental and total body energy patterns of rowing a single scull racing shell with rowing a Gjessing (Norway) rowing ergometer (RE), and to contrast energy savings through exchanges of mechanical energy among segments and conversions of energy within segments. Four scullers, two male and two female, were filmed at three s...

We study optimal labor-income taxation in a dynamic economy in which the agents’ productivity is their own private information, is stochastic, and evolves endogenously over the lifecycle due to learning-by-doing. First, we identify novel distortions that originate in the endogeneity of the agents’ private information and that contribute to higher labor wedges under the optimal tax code. Next, w...

Companies find it difficult to change strategy for many reasons, but one stands out: strategic thinking is not a core managerial competence at most companies. Executives hone their capabilities by tackling problems over and over again. Changing strategy, however, is not usually a task that they face repeatedly. Once companies have found a strategy that works, they want to use it, not change it....

We develop two related themes, learning procedures and knowledge transfer. This paper introduces two methods for learning procedures and one for transferring previously-learned knowledge to a slightly different task. We demonstrate by experiment that transfer accelerates learning.

This paper is a study on the process of evolution of a novice to an expert in a diagnostic context. In this paper, we have chosen an abstract example of a diagnostic problem. The results in this article are based on a longitudinal study of a single subject. The empirical base is a protocol of the subject as he solved this problem until he mastered the most sophisticated strategy. Based on an an...