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Measuring the efficiency of decision making units

- A. U.S.
- Economics
- 2003

A nonlinear (nonconvex) programming model provides a new definition of efficiency for use in evaluating activities of not-for-profit entities participating in public programs. A scalar measure of the… Expand

FORMULATION AND ESTIMATION OF STOCHASTIC FRONTIER PRODUCTION FUNCTION MODELS

- A. U.S.
- Mathematics
- 2001

Previous studies of the so-called frontier production function have not utilized an adequate characterization of the disturbance term for such a model. In this paper we provide an appropriate… Expand

Calibration and Empirical Bayes Variable Selection

- A. U.S.
- Mathematics
- 1997

For the problem of variable selection for the normal linear model, selection criteria such as AIC, Cp, BIC and RIC have fixed dimensionality penalties. Such criteria are shown to correspond to… Expand

Assortative Matching and Search

- A. U.S.
- Economics
- 2000

In Becker’s (1973) neoclassical marriage market model, matching is positively assortative if types are complements: i.e. match output f(x, y) is supermodular in x and y. We reprise this famous result… Expand

Predictability , Complexity , and Learning

- A. U.S.
- Computer Science
- 2002

TLDR

Type IIA Moduli Stabilization

- A. U.S.
- Mathematics
- 2005

We demonstrate that flux compactifications of type IIA string theory can classically stabilize all geometric moduli. For a particular orientifold background, we explicitly construct an infinite… Expand

Movement Corridors : Conservation Bargains or Poor Investments ?

Corridors for movement o f organisms between refuges are confounded with corridors designed for other function~ obscuring an assessment o f cost.effectivenesx The rationales for movement corridors… Expand

D-brane Field Theory on Compact Spaces

- A. U.S.
- Mathematics, Physics
- 1996

We consider Dirichlet p-branes in type II string theory on a space which has been toroidally compactified in d dimensions. We give an explicit construction of the field theory description of this… Expand

Stable Computation of Multiquadric Interpolants for All Values of the Shape Parameter

- A. U.S.
- Computer Science
- 2003

TLDR

Level truncation and the tachyon in open bosonic string field theory

- A. U.S.
- Physics
- 2000

The tachyonic instability of the open bosonic string is analyzed using the level truncation approach to string field theory. We have calculated all terms in the cubic action of the string field… Expand

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