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201.
Tommaso Ciarli Riccardo Leoncini Sandro Montresor Marco Valente 《Journal of Evolutionary Economics》2008,18(3-4):367-387
The vertical scope of a firm, that is, which components or segments of the production processes are kept in–house and which are outsourced, is variously considered as depending on cost and/or technological conditions. Most of the literature focuses on the incentives for an individual firm facing exogenous competition and technological opportunities. In this paper we consider the problem from the perspective of the whole industry: in what respect does firm organizational behavior depend on the industry technological evolution and aggregate structure, and how does innovation and organizational behavior affect the industry structure. We build an evolutionary simulation model of an industry where competitors decide the number of internally produced components. We relate the industry average value of market outsourcing to the technological conditions prevalent in the industry. The results from the model shed light on a number of (apparently) contradictory suggestions in the economic and management literature. 相似文献
202.
This article investigates the effectiveness of an employment programme exclusively run by a private sector firm in order to find out whether such a programme can be beneficial to both the participating individuals and the private firm. To answer these questions, we use a unique dataset on a private employment programme covering 23 years of operations and data on 1,000 participating unemployed individuals. Using conservative estimates, we show that a private employment programme is more effective in reintegrating the unemployed than public efforts, while providing tangible benefits to the firm. 相似文献
203.
We explore from a theoretical and an empirical perspective the value of convexity in the US Treasury market. We present a quasi-model-agnostic approach that is rooted in the existence of some affine model capable of recovering with good accuracy the market yield curve and covariance matrix. As we show, at least one such model exists, and this is all we require for our results to hold. We show that, as a consequence, the theoretical ‘value of convexity’ purely depends on observable features of the yield curve, and on statistically determinable yield volatilities. We then address the question of whether the theoretical convexity is indeed correctly reflected in the shape of the yield curve. We present empirical results about the predictive power of a strategy based on the discrepancies between the theoretical and the predicted value of convexity. By looking at 30 years of data, we find that neither the strategy of being systematically long or short convexity (and immunized against ‘level’ and ‘slope’ risk) would have been profitable. However, a conditional strategy that looks at the difference between the ‘implied’ and the statistically estimated value of convexity would have identified extended periods during which the proposed approach would have delivered attractive Sharpe Ratios. 相似文献
204.
Michele Tumminello Andrea Consiglio Pietro Vassallo Riccardo Cesari Fabio Farabullini 《The Journal of risk and insurance》2023,90(2):381-419
Fraud is a social phenomenon, and fraudsters often collaborate with other fraudsters, taking on different roles. The challenge for insurance companies is to implement claim assessment and improve fraud detection accuracy. We developed an investigative system based on bipartite networks, highlighting the relationships between subjects and accidents or vehicles and accidents. We formalize filtering rules through probability models and test specific methods to assess the existence of communities in extensive networks and propose new alert metrics for suspicious structures. We apply the methodology to a real database—the Italian Antifraud Integrated Archive—and compare the results to out-of-sample fraud scams under investigation by the judicial authorities. 相似文献
205.
Antonella Cammarota Mario D'Arco Vittoria Marino Riccardo Resciniti 《International Journal of Consumer Studies》2023,47(5):1669-1691
Brand activism is a new and fragmented phenomenon that has been attracting growing attention from scholars. Research on this topic is still at an exploratory stage and in need of advancement and conceptualization. The aim of this study is to systematize the extant literature on brand activism by attempting an in-depth exploration of the antecedents that identify the construct along with the influencing and consequence factors that will need to be tested and validated by future research. This study adopts the guidelines provided by the SPAR-4-SLR protocol and considers 76 papers with no time limitation. To the best of our knowledge, this seems to be the first scientific systematization of brand activism. From the in-depth analysis of the extant literature, two conceptual frameworks were constructed that can guide both researchers, in their understanding and investigation of the phenomenon, and practitioners in their implementation strategies of brand activism. The no time restriction of the analysis has allowed an investigation of the phenomenon from its prodromes until recent years, also highlighting important gaps that will have to be filled by future research. 相似文献
206.
Lala Hu Raffaele Filieri Fulya Acikgoz Lamberto Zollo Riccardo Rialti 《International Journal of Consumer Studies》2023,47(2):751-766
Mobile devices are ubiquitous in the lives of modern consumers, who use them for information-seeking and purchasing activities, fostering the emergence of m-commerce. This trend has been exacerbated by the COVID-19 pandemic, which has boosted m-commerce growth in both developed and developing countries. Hence, there is a need for cross-cultural research concerning the factors affecting behavioural intentions. Drawing upon the hedonic information systems model, we measure the impact of utilitarian factors on satisfaction, repurchase intention, and eWOM through the mediation of enjoyment across two countries characterized by different stages of m-commerce readiness and culture: China and Italy. Findings suggest that the impact of utilitarian factors on satisfaction is stronger among Italian users than Chinese users. On the contrary, for Chinese users, who use their mobile phones as a primary device to shop online, the mediation effect of enjoyment on satisfaction and eWOM is stronger. With this study, we contribute to cross-cultural research in m-commerce and provide guidelines to mobile retailers operating in diverse international markets. 相似文献
207.
This study investigates whether and how information asymmetry in the stock market affects the quantum of audit fees paid by auditees. It is based on a sample of 218 US publicly traded companies and adopts two well-established proxies for information asymmetry, namely bid-ask spread (BAS) and probability of informed trading (PIN). Empirical results provide evidence that, after controlling for all main audit fees determinants, information asymmetry is positively related to the quantum of audit fees paid. Overall, evidence supports the contention that less transparent companies convey higher audit risk, and therefore auditors require higher compensation. 相似文献