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This article highlights 10 key strands of continuity and change in the use of evidence over the past two decades. Interest in evidence use continues, as do the many challenges encountered when seeking to deliver on this aspiration. There have been developments in ideas and actions, which foster some optimism that better use of varying forms of evidence can be encouraged.  相似文献   
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Many studies use variables from the Compustat database to measure various marketing constructs, yet no clear guidelines detail which metrics correspond with which constructs. Justifications rest mainly on the ready availability of easy-to-use measures that seem related to a particular construct. As a result, various metrics have been utilized to capture the same construct, and the same metric—such as selling, general, and administrative expenses (SGA)—has been applied to capture vastly different constructs. But using SGA inappropriately can lead to biased estimates, questionable support for the hypotheses, and potentially misleading implications for research and practice. To test the validity of SGA for multiple relevant marketing and sales constructs, this study gathers data on benchmark variables from alternative data sources and applies a multitrait-multimethod (MTMM) approach. Results show that, in general, SGA has been applied too liberally in marketing contexts; SGA is an appropriate operationalization only for some constructs. This article provides guidelines for the proper conceptualization and operationalization of marketing constructs.  相似文献   
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Word of mouth disseminates across Twitter by means of retweeting; however, the antecedents of retweeting have not received much attention. We used the chi‐square automatic interaction detection (CHAID) decision tree predictive method (Kass, 1980 ) with readily available Twitter data, and manually coded sentiment and content data, to identify why some tweets are more likely to be retweeted than others in a (political) marketing context. The analysis includes four CHAID models: (1) using message structure variables only, (2) source variables only, (3) message content and sentiment variables only, and (4) a combined model using source, message structure, message content, and sentiment variables. The aggregated predictive model correctly classified retweeting behavior with a 76.7% success rate. Retweeting tends to occur when the originator has a high number of Twitter followers and the sentiment of the tweet is negative, contradicting previous research (East, Hammond, & Wright, 2007 ; Wu, 2013 ) but concurring with others (Hennig‐Thurau, Wiertz, & Feldhaus, 2014 ). Additionally, particular types of tweet content are associated with high levels of retweeting, in particular those tweets including fear appeals or expressing support for others, while others are associated with very low levels of retweeting, such as those mentioning the sender's personal life. Managerial implications and research directions are presented. We make a methodological contribution by illustrating how CHAID predictive modeling can be used for Twitter data analysis and a theoretical contribution by providing insights into why retweeting occurs in a (political) marketing context.  相似文献   
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Telecare’ refers to the use of digital or information and communication technologies (ICTs) to facilitate health and social care delivery to individuals in their homes. This article explores the phenomenon by foregrounding its interconnections with work activities, paid and unpaid. It draws on research as a part of the design and deployment of a set of telecare innovations for older people in an Italian municipality. The project was conceived at the outset in terms of formal inter‐ relationships between functions and components of technical systems. Technical setbacks, however, were resolved only by enrolling the active support of groups and individuals (including civil society organisations and older people). By situating a telecare intervention conceptually within the ‘total social organisation of labour’ (TSOL), we provide an analysis that contributes to understanding how a socio‐technical infrastructural approach to telecare reveals ways to improve our understanding of how formal and informal care systems interact.  相似文献   
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In this paper, we analyze whether a dividend tax cut for owner‐managers of closely held corporations encourages income shifting, income generation, or both. We use rich Swedish administrative micro data from 2000 to 2011 comprising detailed firm‐ and individual‐level information. We find robust evidence of extensive income shifting across tax bases in response to the 2006 Swedish dividend tax cut. Owner‐managers of closely held corporations reclassify earned income as dividend income but do not increase total income. The response is more pronounced for owner‐managers with tax incentives and with easier access to income shifting through a high ownership share.  相似文献   
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