The halo effect is a systematic bias in attribute ratings resulting from raters′ tendency to rely on global affect rather than carefully discriminating among conceptually distinct and potentially independent brand attributes. Traditionally, researchers have regarded the halo effect as a source of measurement error to be avoided. Discusses how halo measurement can serve as a useful indicator of brand equity. Uses consumer rating data in three categories of commonly purchased household products to demonstrate the approach.

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This research examines how perceived scarcity influences consumers' processing of price information. To explain the effects of scarcity, a conceptual framework which incorporates both the motivational and the interference effects of scarcity on information processing is developed. The results from two studies show that under scarcity, consumers' perceptions of quality and monetary sacrifice exhibit different response patterns, depending on the relative price level and consumers' motivation to process information. We provide insights into how these perceptions of quality and sacrifice are integrated to form perceptions of value. Additional analyses of thought measures provided further understanding of the underlying processes that influenced the evaluation of price information under scarcity.