Is There a Market for Work Group Servers? Evaluating Market Level Demand Elasticities Using Micro and Macro Models

John van Reenen

CEP Discussion Papers from Centre for Economic Performance, LSE

Abstract: This paper contains an empirical analysis demand for "work-group" (or low-end) servers. Servers are at thecentre of many US and EU anti-trust debates, including the Hewlett-Packard/Compaq merger and investigationsinto the activities of Microsoft. One question in these policy decisions is whether a high share of work serversindicates anything about shortrun market power. To investigate price elasticities we use model-level panel dataon transaction prices, sales and characteristics of practically every server in the world. We contrast estimatesfrom the traditional "macro" approaches that aggregate across brands and modern "micro" approaches that usebrand-level information (including both "distance metric" and logit based approaches). We find that the macroapproaches lead to overestimates of consumer price sensitivity. Our preferred micro-based estimates of themarket level elasticity of demand for work group servers are around 0.3 to 0.6 (compared to 1 to 1.3 in themacro estimates). Even at the higher range of the estimates, however, we find that demand elasticities aresufficiently low to imply a distinct "anti-trust" market for work group servers and their operating systems. It isunsurprising that firms with large shares of work group servers have come under some antitrust scrutiny.

Keywords: demand elasticities; network servers; computers; anti-trust (search for similar items in EconPapers)
JEL-codes: L1 L4 O3 (search for similar items in EconPapers)
Date: 2004-09
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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Working Paper: Is there a market for work group servers? Evaluating market level demand elasticities using micro and macro models (2004)
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