This article provides an analysis of product variety and scope economies in the microcomputer software industry by using detailed firm-level and product-level information on firms' bundling of functionalities over application categories and computing platforms. We find that the management of product variety through the way different application categories are integrated in products and the platforms on which these products are offered can be as important as the significance of scope economies at the more aggregated firm level. Specifically, we find that there is little evidence of firm benefits from economies of scope in production, but there is substantial evidence that products benefit from economies of scope in consumption. In addition, we find that firms with products that encapsulate more application categories perform better, and those with products that cover more computing platforms perform worse. Finally, changes in product variety through new product introductions improve firm performance, but extensions to existing products hinder the performance of the firm and the product. We conclude that research in scope economies can benefit from a more detailed model of the evolution of product variety that includes data and analysis at the firm level and at the product level.
Drawing on the resource-based view, we propose a configurational perspective of how information technology (IT) assets and capabilities affect firm performance. Our premise is that IT assets and IT managerial capabilities are components in organizational design, and as such, their impact can only be understood by taking into consideration the interactions between those IT assets and capabilities and other non-IT components. We develop and test a model that assesses the impact of explicit and tacit IT resources by examining their interactions with two non-IT resources (open communication and business work practices). Our analysis of data collected from a sample of firms in the third-party logistics industry supports the proposed configurational perspective, showing that IT resources can either enhance (complement) or suppress (by substituting for) the effects of non-IT resources on process performance. More specifically, we find evidence of complementarities between shared business-IT knowledge and business work practice and between the scope of IT applications and an open communication culture in affecting the performance of the customer-service process; but there is evidence of substitutability between shared knowledge and open communications. For decision making, our results reinforce the need to account for all dimensions of possible interaction between IT and non-IT resources when evaluating IT investments.
Many studies measure the value of information technology (IT) by focusing on how much value is added rather than on the mechanisms that drive value addition. We argue that value from IT arises not only directly through changes in the factor input mix but also indirectly through IT-enabled augmentation of non-IT inputs and changes in the underlying production technology. We develop an augmented form of the Cobb-Douglas production function to separate and measure different productivity-enhancing effects of IT. Using industry-level data from the manufacturing sector, we find evidence that both direct and indirect effects of IT are significant. Partitioning industries into IT-intensive and non-IT-intensive, we find that the indirect effects of IT predominate in the IT-intensive sector. In contrast, the direct effects of IT predominate in the non-IT intensive sector. These results indicate structural differences in the role of IT in production between industries that are IT-intensive and those that are not. The implication for decision-makers is that for IT-intensive industries the gains from IT come primarily through indirect effects such as the augmentation of non-IT capital and labor.
We employ the theory of incomplete contracts to examine the relationship between ownership and investment in electronic networks such as the Internet and interorganizational information systems. Electronic networks represent an institutional structure that has resulted from the introduction of information technology in industrial and consumer markets. Ownership of electronic networks is important because it affects the level of network-specific investments, which in turn determine the profitability and in some cases the viability of these networks. In our analysis we define an electronic network as a set of participants and a portfolio of assets. The salient concept in this perspective is the degree to which network participants are indispensable in making network assets productive. We derive three main results: First, if one or more assets are essential to all network participants, then all the assets should be owned together. Second, participants that are indispensable to an asset essential to all participants should own all network assets. Third and most important, in the absence of an indispensable participant, and as long as the cooperation of at least two participants is necessary to create value, sole ownership is never the best form of ownership for an electronic network. This latter result implies that as the leading network participants become more dispensable, we should see an evolution towards forms of joint ownership.
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