Economic and social leader–member exchange relationships and follower performance

This exploratory study investigated the link between economic and social leader–member exchange relationships and follower work performance and organizational citizenship behavior. Instead of viewing exchange relationships between leaders and subordinates on a continuum from low to high quality, we conceptualize social and economic exchange relationships as relationships with different qualities, rather than different levels of quality. Data from 552 followers and 78 leaders supported our two-dimensional model of leader–member exchange relationships. Furthermore, an economic leader–member exchange relationship was negatively related to both work performance and organizational citizenship behavior. As expected, positive relationships were obtained for a social leader–member exchange relationship and work performance and organizational citizenship behavior. Implications for practice and future research are discussed.     

6 Pay and Performance: Individuals,Groups, and Executives

Abstract

In this chapter, we address three pay for performance (PFP) questions. First, what are the conceptual mechanisms by which PFP influences performance? Second, what programs do organizations use to implement PFP and what is the empirical evidence on their effectiveness? Third, what perils and pitfalls arise on the way from PFP theory to its execution in organizations? We address these questions in general terms, but also highlight unique issues that arise in PFP for teams and for executives. We highlight the fact that research and practice in the area of PFP requires one to deal with a number of trade‐offs. For example, strengthening PFP links can generate powerful motivation effects, but sometimes these are in unintended and unanticipated directions, resulting in undesirable effects. In addition, there are also trade‐offs in deciding the degree of emphasis to give to individual versus team performance and to results versus behaviors in PFP plans. What all this means is that, as in other areas of management, “one best way” advice (e.g., do or do not use individual PFP plans) or “sound‐bite” conclusions (e.g., PFP does not exist; PFP does or does not motivate) are rarely valid, but rather depend on the circumstances and the organization. In the realm of executive pay, we question the current conventional wisdom in the management literature that there is little or no PFP. We close the chapter with a discussion of our key conclusions and suggestions for what we think would be the most interesting and useful future research areas. We encourage the management literature, which has increasingly become interested in the concept of evidence‐based management, to execute this concept more effectively in its research and when talking or writing about pay.     

Approximation and hardness results for label cut and related problems

We investigate a natural combinatorial optimization problem called the Label Cut problem. Given an input graph G with a source s and a sink t, the edges of G are classified into different categories, represented by a set of labels. The labels may also have weights. We want to pick a subset of labels of minimum cardinality (or minimum total weight), such that the removal of all edges with these labels disconnects s and t. We give the first non-trivial approximation and hardness results for the Label Cut problem. Firstly, we present an \(O(\sqrt{m})\)-approximation algorithm for the Label Cut problem, where m is the number of edges in the input graph. Secondly, we show that it is NP-hard to approximate Label Cut within \(2^{\log ^{1-1/\log\log^{c}n}n}\) for any constant c<1/2, where n is the input length of the problem. Thirdly, our techniques can be applied to other previously considered optimization problems. In particular we show that the Minimum Label Path problem has the same approximation hardness as that of Label Cut, simultaneously improving and unifying two known hardness results for this problem which were previously the best (but incomparable due to different complexity assumptions).     

Flows with unit path capacities and related packing and covering problems

Since the seminal work of Ford and Fulkerson in the 1950s, network flow theory is one of the most important and most active areas of research in combinatorial optimization. Coming from the classical maximum flow problem, we introduce and study an apparently basic but new flow problem that features a couple of interesting peculiarities. We derive several results on the complexity and approximability of the new problem. On the way we also discover two closely related basic covering and packing problems that are of independent interest. Starting from an LP formulation of the maximum s-t-flow problem in path variables, we introduce unit upper bounds on the amount of flow being sent along each path. The resulting (fractional) flow problem is NP-hard; its integral version is strongly NP-hard already on very simple classes of graphs. For the fractional problem we present an FPTAS that is based on solving the k shortest paths problem iteratively. We show that the integral problem is hard to approximate and give an interesting O(log?m)-approximation algorithm, where m is the number of arcs in the considered graph. For the multicommodity version of the problem there is an $O(\sqrt{m})Since the seminal work of Ford and Fulkerson in the 1950s, network flow theory is one of the most important and most active areas of research in combinatorial optimization. Coming from the classical maximum flow problem, we introduce and study an apparently basic but new flow problem that features a couple of interesting peculiarities. We derive several results on the complexity and approximability of the new problem. On the way we also discover two closely related basic covering and packing problems that are of independent interest. Starting from an LP formulation of the maximum s-t-flow problem in path variables, we introduce unit upper bounds on the amount of flow being sent along each path. The resulting (fractional) flow problem is NP-hard; its integral version is strongly NP-hard already on very simple classes of graphs. For the fractional problem we present an FPTAS that is based on solving the k shortest paths problem iteratively. We show that the integral problem is hard to approximate and give an interesting O(log m)-approximation algorithm, where m is the number of arcs in the considered graph. For the multicommodity version of the problem there is an O(?m)O(\sqrt{m}) -approximation algorithm. We argue that this performance guarantee is best possible, unless P=NP.     

Old and New Organizational Cages. What about Autonomy and Freedom?

The discourses on the so-called “post-bureaucracy” emphasizes the importance of autonomy and freedom in present-day organizations. Yet, differently to the discourses, the practices are not univocal and there is a mix of continuity and transformation to be investigated. The article addresses these issues aiming to understand if and how organizational cages are changing, in particular in the public sector. After discussing the issues of autonomy and freedom in the contemporary organizations, the analysis focuses on the New Public Management in Italy on the basis of a case study. The research highlights the role of institutional and social resources that mediate freedom and autonomy.     

Median problems with positive and negative weights on cycles and cacti

This paper deals with facility location problems on graphs with positive and negative vertex weights. We consider two different objective functions: In the first one (MWD) vertices with positive weight are assigned to the closest facility, whereas vertices with negative weight are assigned to the farthest facility. In the second one (WMD) all the vertices are assigned to the nearest facility. For the MWD model it is shown that there exists a finite set of points in the graph which contains the locations of facilities in an optimal solution. Furthermore, algorithms for both models for the 2-median problem on a cycle are developed. The algorithm for the MWD model runs in linear time, whereas the algorithm for the WMD model has a time complexity of  O(n²)\mathcal{O}(n^{2}) .     

are near nectariferous tissue and

创造性思维和创新能力是当今领导者立于不败之地的重要素质之一,领导者的创造性思维决定他的创新能力和行为方式。创造性思维是一种具有开创意义的思维活动,即开拓人类认识新领域、创造人类认识新成果的思维活动,它往往表现为形成新观念、提出新方案、创建新理论、发明新技术等     

Planning—Satisfaction and productivity

The areas of worker satisfaction and productivity have been of continual importance to managers of all types of organizations. Unfortunately, the analysis of these topics have usually been done in a segmented manner. This article attempts to develop a total conceptual scheme for planning to increase worker satisfaction and employee productivity. Both internal work and external environmental components are included in the models which examine social psychological, physical, and environmental components of the worker's life in a total system's approach.     

Does the internet change how we die and mourn? Overview and analysis

The article outlines the issues that the internet presents to death studies. Part 1 describes a range of online practices that may affect dying, the funeral, grief and memorialization, inheritance and archaeology; it also summarizes the kinds of research that have been done in these fields. Part 2 argues that these new online practices have implications for, and may be illuminated by, key concepts in death studies: the sequestration (or separation from everyday life) of death and dying, disenfranchisement of grief, private grief, social death, illness and grief narratives, continuing bonds with the dead, and the presence of the dead in society. In particular, social network sites can bring dying and grieving out of both the private and public realms and into the everyday life of social networks beyond the immediate family, and provide an audience for once private communications with the dead.     

Does shared and differentiated transformational leadership predict followers' working conditions and well-being?

Transformational leadership has been widely researched and is associated with followers' performance, attitudes, and subjective well-being at the individual level. Less research has focused on transformational leadership as a group phenomenon. In a survey study (425 followers and 56 leaders), we examined how group-level and differentiated transformational leadership shape followers' perceptions of their working conditions and individual subjective well-being. There was stronger evidence that differentiated transformational leadership's relationships with indicators of well-being was mediated by perceptions of working conditions, in that 10 out of 20 tests for mediation using differentiated transformational leadership were significant, compared to just three out of 20 for group-level transformational leadership. The results suggest that transformational leadership needs to be studied as a group phenomenon considering how group-level perceptions may impact on followers' well-being and that leaders need to realize that there is an “I” in groups and addition to a “we” in groups.     

Does self-efficacy matter for burnout and sickness absenteeism? The mediating role of demands and resources at the individual and team levels

In team-based organizations, team members may share similar experiences, feelings and, consequently, susceptibility to burnout. This study explores the burnout process beyond the individual level of analysis and integrates Social Cognitive Theory (SCT) with the Job Demands-Resources Model (JD-R), emphasizing the role of self-efficacy in shaping the meaning that people ascribe to situations. A multilevel structural equation model was tested in which it was predicted that work self-efficacy beliefs would be associated with burnout both directly and indirectly via job demands and job resources, and at both the individual and the team level. Moreover, it was posited that, at the team level, registered sickness absences are predicted by burnout. A sample of 5406 call centre operators, clustered in 186 teams working in the same large Italian company, filled out a questionnaire, whereas team absence rates were provided by the company's HR department. The findings largely supported the hypothesized model: at both levels, job demands and job resources partially mediated the relationship between self-efficacy and burnout. Moreover, at the team level, burnout predicted subsequent sickness absenteeism. In addition, individual-level burnout was primarily associated with job demands, whereas team-level burnout was primarily associated with a lack of team-level resources.     

Residential Mortgages and Public Policy: What to do with Fannie and Freddie?

The current debate on U.S. housing policy focuses on the role of the government in supporting the mortgage market. Existing organizations (Fannie Mae/Freddie Mac) are in conservatorship status, and Congress is considering alternative structures and guarantees including the Johnson‐Crapo bill, to provide catastrophic insurance in support of the coverage from private companies. The resolution of this issue is complicated by the various activities involved in the issue—investment securities, public policy, macroeconomics, accounting, and insurance. This article reviews the impact of these activities on U.S. housing, with a discussion of the feasibility of creating a catastrophic insurance program similar to that of the Federal Deposit Insurance Corporation. The federal government has successfully operated catastrophic insurance programs in support of private sector initiatives, and this experience—while certainly not perfect—may be a reasonable approach to the current Fannie/Freddie dilemma.     

Turbulence and Bifurcation in North–South Higher-Education Partnerships for Research and Sustainable Development

The article analyzes processes and objectives of transnational higher-education partnerships (THEPs) devoted to research and sustainable development by applying concepts and insights from chaos theory, Rosenau??s work on turbulence, Farazmand??s contributions on institutionalized chaos and the management of cascading crises, and the transnational-competence framework. The bifurcation of research and development activity into asymmetrical and symmetrical processes and objectives provides the focus for analysis. Building on Farazmand??s insight regarding the positive possibilities of transformative change, the conclusion explores possibilities for amplifying the symmetrical trajectory. Given the structural forces of global capitalism and local political constraints, the range of symmetrical process- and outcome-path possibilities for THEPs is now bounded by the strange attractors of resource inequalities and collaborative decision making.     

Formalisation and flexibilisation in organisations – Dynamic and selective approaches in corporate innovation processes

A classic problem in organising corporate innovation projects is the tension between formalisation and flexibilisation. Connecting this discussion to the younger debate on ambidexterity, this paper asks how organisations balance informal and formal, flexible and inflexible ways of working in their innovation projects. It derives a way to break down formalisation and flexibilisation into the dimensions of power, communication and trust and connects them to learning. By unhinging formalisation and flexibilisation from the organisational level and looking at them at the small-scale level of specific projects and functional arenas instead, the paper sheds new light onto the various fashions in which formalisation and flexibilisation do not contradict, but complement each other. An empirical account based on 100 qualitative expert interviews illustrates this.     

3 Merger and Acquisition Transactions and Executive Compensation: A Review of the Empirical Evidence

Abstract

The purpose of this paper is to review the existing empirical evidence and provide an integrative framework for the growing body of literature that is situated at the intersection of two highly debated topics: merger and acquisition (M&A) activities and executive compensation. The proposed framework structures the literature along two dimensions, such as M&A phases and firm's role in a M&A deal, allowing us to identify three main streams of research and five different conceptualizations of causal relationships between M&A transactions and executive compensation. Making a comprehensive review of empirical studies conducted to date we aim at shedding more light on the current and emerging knowledge in this field of investigation, discussing the inconsistencies encountered within each stream of research and suggesting promising directions for further exploration.     

Algebraic and combinatorial properties of ideals and algebras of uniform clutters of TDI systems

Let \(\mathcal{C}\) be a uniform clutter and let A be the incidence matrix of \(\mathcal{C}\). We denote the column vectors of A by v ₁,…,v _q . Under certain conditions we prove that \(\mathcal{C}\) is vertex critical. If \(\mathcal{C}\) satisfies the max-flow min-cut property, we prove that A diagonalizes over ? to an identity matrix and that v ₁,…,v _q form a Hilbert basis. We also prove that if \(\mathcal{C}\) has a perfect matching such that \(\mathcal{C}\) has the packing property and its vertex covering number is equal to 2, then A diagonalizes over ? to an identity matrix. If A is a balanced matrix we prove that any regular triangulation of the cone generated by v ₁,…,v _q is unimodular. Some examples are presented to show that our results only hold for uniform clutters. These results are closely related to certain algebraic properties, such as the normality or torsion-freeness, of blowup algebras of edge ideals and to finitely generated abelian groups. They are also related to the theory of Gröbner bases of toric ideals and to Ehrhart rings.     

‘Clock-watching and box-ticking’: British local authority planners,professionalism and performance targets

The speed of the statutory planning system has concerned UK Governments for decades. The Labour Government of 1997–2010 placed particular emphasis on increasing the efficiency of public services through performance targets. Whilst the subsequent Coalition Government of 2010–2015 removed many targets, those measuring the speed of planning application processing were kept. These performance targets have important potential implications in terms of the autonomy and space for discretionary judgement traditionally seen as intrinsic to the professional nature of planning. Empirical material exploring how British local authority planners responded to these targets suggests they have both restricted and empowered professionals and, whilst changes to practice have occurred, professional identities have remained more resilient. This contradictory picture highlights the importance of considering the role of frontline professionals in implementing reforms.     

Temperament and Destiny——The Contrast between Mr.Winterbourne and Mr.Darcy

Mr.Winterbourne in Henry James ’ novel Daisy Miller and Mr.Darcy in Jane Austen ’ s novel Pride and Prejudice are two heroes with great acknowledgements.Mr.Winterbourne is in admiration of Miss Daisy , while Mr.Darcy is in pursuit of Miss Elizabeth.One story ends up with sorrows and regrets while the other ends with joys and satisfaction.I would like to provide evidences to analyze how the male characters ’ action and thoughts affect the consequences.     

Perceptions of politics and organizational cynicism: An attributional and leader–member exchange perspective

As the political perspectives of organizations gain acceptance, leadership is increasingly viewed as a political process. While some researchers have begun to shun the notion that politics should be viewed as necessarily bad and undesirable, it is still commonly seen as a negative attribute of the organizational environment. Moreover, organizational members who perceive themselves to be working in negative political environments may develop cynical attitudes toward the organization. The purpose of this paper is to provide insight into the role that attributions play in eliciting negative cognitive and affective reactions to the political environment. We argue that because the quality of the leader–member exchange (LMX) is often central to these reactions, LMX theory and research possess considerable promise for enhancing our understanding of these processes. We explore attributional processes in detail, with special attention to (a) how these attributional processes occur within a leader–member relationship and (b) how attributions ultimately impact perceptions of politics, as well as organizational cynicism.     

Parameterized complexity and inapproximability of dominating set problem in chordal and near chordal graphs

In this paper, we study the parameterized complexity of Dominating Set problem in chordal graphs and near chordal graphs. We show the problem is W[2]-hard and cannot be solved in time n ^o(k) in chordal and s-chordal (s>3) graphs unless W[1]=FPT. In addition, we obtain inapproximability results for computing a minimum dominating set in chordal and near chordal graphs. Our results prove that unless NP=P, the minimum dominating set in a chordal or s-chordal (s>3) graph cannot be approximated within a ratio of \fracc3lnn\frac{c}{3}\ln{n} in polynomial time, where n is the number of vertices in the graph and 0<c<1 is the constant from the inapproximability of the minimum dominating set in general graphs. In other words, our results suggest that restricting to chordal or s-chordal graphs can improve the approximation ratio by no more than a factor of 3. We then extend our techniques to find similar results for the Independent Dominating Set problem and the Connected Dominating Set problem in chordal or near chordal graphs.