Some Gublite Artifact Possibly Made at Ebla

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Some Properties of Tests for Possibly Unidentified Parameters

It is well known that confidence intervals for weakly identified parameters are unbounded with positive probability (e.g. Dufour, Econometrica 65, pp. 1365-1387 and Staiger and Stock, Econometrica 65, pp. 557-586), and that the asymptotic risk of their estimators is unbounded (Pötscher, Econometrica 70, pp.1035-1065). In this note we extend these “impossibility results” and show that uniformly ...

At-speed testing made easy

Today's chip designs are getting smaller and bigger. Feature sizes are moving into nanometer geometries, and gate counts are pushing towards the 100M gate mark. Semiconductor companies creating these nanometer designs are struggling with many issues that result from this shrinking yet increasingly complex design environment. One issue growing in importance is creating high quality, cost-effecti...

The Task Artifact Cycle: Some Experiences from Reengineering Practice

The task artifact cycle is a general model for reenigineering and maintenance activities. It has been applied successfully in several projects of sd&m. In the paper, three lessons learned are discussed: • Every project has a reverse engineering component • Reverse and forward engineering should never be separated in the project organization • Do not neglect the semantic analysis of the legacy s...

Volatility made observable at last

The Cartier-Perrin theorem, which was published in 1995 and is expressed in the language of nonstandard analysis, permits, for the first time perhaps, a clear-cut mathematical definition of the volatility of a financial asset. It yields as a byproduct a new understanding of the means of returns, of the beta coefficient, and of the Sharpe and Treynor ratios. New estimation techniques from automa...