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- Discussion papers (SAM) 
It is a widely adopted practice for firms to announce new products well in advance of actual market availability, especially in the computer industry. This practice of preannouncement often has been derisively referred to as "vaporware" since many of the products either never reach the market or are significantly delayed. We provide a simple model of vaporware and discuss its implications for social welfare and anti-trust policy.
PublisherNorwegian School of Economics and Business Administration. Department of Economics