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1.
This paper describes algorithms for finding all Nash equilibria of a two-player game in strategic form. We present two algorithms
that extend earlier work. Our presentation is self-contained, and explains the two methods in a unified framework using faces
of best-response polyhedra. The first method lrsnash is based on the known vertex enumeration program lrs, for “lexicographic reverse search”. It enumerates the vertices of only one best-response polytope, and the vertices of the
complementary faces that correspond to these vertices (if they are not empty) in the other polytope. The second method is
a modification of the known EEE algorithm, for “enumeration of extreme equilibria”. We also describe a second, as yet not implemented, variant that is space
efficient. We discuss details of implementations of lrsnash and EEE, and report on computational experiments that compare the two algorithms, which show that both have their strengths and weaknesses. 相似文献
2.
Suresh Govindapuram Samyukta Bhupatiraju Rahul A. Sirohi 《Annals of Public and Cooperative Economics》2023,94(1):131-158
A number of studies have analyzed the determinants of financial inclusion in India, but few if any have focused specifically on the factors that shape women's access to finance. This paper draws on the trove of women-specific data collected in the fourth round of the National Family Health Survey (NFHS-4), conducted in 2015–16 in India, to examine the factors that influence women's access to finance. The results indicate that while the forces that shape women's access to finance function at multiple levels, micro-level factors appear to be powerful drivers of inclusion. The analysis reveals that household-level economic indicators like wealth, gender of household head and their rural-urban location are crucial, but so are individual-level characteristics which explain approximately 83% of the variation in the multilevel regressions. Informal gender norms that govern women's mobility and economic activity crucially influence the ability of women to access loans and open bank accounts. 相似文献
3.
4.
We consider firms in the context of their business ecosystems and explore how differences in the ways in which firms are organized with respect to complementary activities affect their decision to invest in new technologies. We argue that, in addition to creating differences in incentives and bureaucratic costs, firm‐complementor organizational form plays an important role in the firm's ability to coordinate accompanying changes in complementary activities so as to shape the benefits from investing early in the new technology. We test our predictions in the U.S. healthcare industry from 1995–2006. The study makes a strong case for viewing firms' competitive strategies in the context of their business ecosystems and for the existence of an important link between firms' coordination choices and their strategic investments. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
5.
Optimality of balanced designs for minimum norm quadratic unbiased estimation of variance components
Prof. Rahul Mukerjee 《Metrika》1990,37(1):181-188
This paper develops an approximate theory for the optimality of balanced designs under minimum norm quadratic unbiased estimation
of variance components in one-way classified data. 相似文献
6.
Rahul Chandra Sheel Neharika Vohra 《International Journal of Human Resource Management》2016,27(13):1373-1392
This study explores the role of positive corporate social responsibility (CSR) perceptions of employees in reducing cynicism toward the organization. As employee involvement in CSR activities through volunteering could influence the perceptions of CSR among employees, the moderating impact of employee volunteering on the relationship between CSR perceptions and cynicism is also tested. Considering that managers and non-managers can have different perceptions of CSR and organizational realities, the relationship between CSR and organizational cynicism is compared among managerial and non-managerial staff working in large organizations. The analysis of 348 questionnaires collected from 191 managers and 157 non-managers showed that positive perceptions of CSR were negatively correlated with organizational cynicism for both managers and non-managers, with significantly stronger negative correlations among managers. Employee volunteering did not significantly moderate the relationship between CSR and organizational cynicism in both groups. The implications of these results on human resource management theory and practice are discussed. 相似文献
7.
Sebastián J. García-Dastugue;Rahul Nilakantan;Carl Marcus Wallenburg;Shashank Rao; 《Journal of Business Logistics》2024,45(1):e12342
The rapid growth of Internet retail platforms (e.g., Shopify and Wix) and marketplaces (e.g., Amazon, eBay, and Etsy) has given rise to a new wave of entrepreneurship. These are platform entrepreneurs—individuals who establish micro-retail businesses on third-party platforms. While there are now millions of such entrepreneurs worldwide, there has been limited scholarly investigation regarding the role of Logistics and Supply Chain Management (LSCM) policies that they can adapt to benefit their small businesses. Because the success of such businesses is intricately driven by the reviews they receive, we deem it essential to investigate how such reviews may be related to their LSCM policies. We conduct an observational field study at one such small platform seller. By investigating items sold under varying merchandise return policies (MRPs), we seek to isolate the relationship between MRP, and the likelihood, positivity, and depth of the reviews left by shoppers. Based on the concept of contractuality, rooted in Sociometer Theory, our results reveal that a more lenient MRP may serve as a perk that may positively impact the customer's review writing. However, the relationship is not monotonic. Instead, there is evidence that the effect of extended MRP leniency on reviews tapers off beyond a certain point. 相似文献
8.
This study aimed to understand the factors affecting repurchase behavior of chocolate brands and, consequently, customer retention and acquisition. The study adopted a qualitative, inductive approach using in-depth interviews with 31 Australian consumers. The factors identified in the extant literature as antecedents of customers’ repurchase intention in the chocolate industry, including brand recognition, sales promotion, product price value, variety, taste, texture, size, packaging, and customer satisfaction, were confirmed. The results also indicated that functional value, product selection value, self-gratification value, socialization value, and transactional value were also considered during the consumer decision-making process. Implications for practitioners are provided. 相似文献
9.
Peiman Milani Emily Carnahan Seema Kapoor Corwyn Ellison Caroline Manus Rebecca Spohrer 《食品市场学杂志》2017,23(8):955-978
ABSTRACTThis paper describes the social marketing strategy implemented by PATH and GAIN to create a sustainable market for rice fortification in Brazil and develop a replicable model relevant to other geographies. It draws on market research on consumer attitudes and practices, as well as key demand and consumer metrics before and after execution of the social marketing campaign in Brazil. This marketing endeavor succeeded in establishing the viability of introducing fortified rice in a country through a purely market-based approach. Whereas social marketing is vital to the introduction and scale-up of fortified staple foods through commercial markets, it is not sufficient to achieve meaningful scale and sustainability. Engagement from the public and social sectors, clear governance, and other factors are critical to substantial and long-term impact. Lessons from this first attempt to introduce a fortified staple food through a market-based approach are relevant to similar initiatives elsewhere. 相似文献
10.
This study examines the relationship between corporate strategy and capital structure, specifically the diversfication and financing strategies of a firm. The results show that equity financing is preferred for related diversification and unrelated diversification is associated with debt financing. Additionally, firms diversifying through acquisitions are more likely to use public sources of financing and those emphasizing internal development of new businesses depend primarily on private sources of financing. Using simultaneous equation estimation, we found a reciprocal relationship between a firm's financial strategy and its corporate diversification strategy. Mode and nature of diversification are also reciprocally interrelated. © 1998 John Wiley & Sons, Ltd. 相似文献