In this paper, we construct a seasonally-adjusted price index for prepackaged software using detailed and comprehensive scanner data from the NPD Group. We document a large sales surge over the winter-holiday and claim that this seasonality is being driven by consumer heterogeneity. We introduce a novel approach for constructing the software component of the cost-of-living price index which exp...

The 15D is a generic, 15-dimensional, standardised, self-administered measure of health-related quality of life (HRQOL), that can be used as a profile and single index score measure. This paper introduces alternative valuation models based on the multi-attribute utility theory for generating the single index scores, and examines their feasibility, reliability and validity by using several data ...

OBJECTIVES To comprehensively evaluate the ability and reliability of the representative previously proposed oxyhemoglobin indexes derived automatically for predicting the severity of obstructive sleep apnea hypopnea syndrome (OSAHS). METHODS Patients with a diagnosis of OSAHS by standard polysomnography were recruited from China Medical University Hospital Centre. There were 257 patients in ...

This paper investigates the spatial heterogeneity of three landscapes along an altitudinal gradient and different human land use. The main aim was the identification of appropriate landscape indicators using different extents. ASTER image was used to create a land cover map consisting of three landscapes which differed in altitude and land use. A number of landscape metrics quantifying patch co...