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This paper proposes a new framework for the measurement of national income which generalises and unifies the existing approaches. We begin by defining the maximum discounted utility which the economy can achieve starting from any initial capital stock vector. Using this we can then immediately formalise the Hicksian notion of income as the maximum amount(More)
A triangular nano-aperture in an aluminum film was used as a probe in a scanning near-field optical microscope (SNOM) to image single fluorescent molecules with an optical resolution down to 30 nm. The differently oriented molecules were employed as point detectors to map the vectorial components of the electric field distribution at the illuminated(More)
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