Efficiency measurement with multiple outputs and multiple inputs

This paper discusses modeling technical and allocative inefficiencies in both cost minimizing and profit maximizing frameworks with special emphasis on multiple inputs and multiple outputs. Both primal and dual models are considered for this purpose. In the primal approach we use a separable output and input function (the constant elasticity of transformation output function and Cobb-Douglas input function). The dual models assume translog cost or profit functions. Technical inefficiency is assumed to be random in the cross-sectional models, and fixed firm-specific parameter in the panel data models. Allocative inefficiencies are always treated as input-specific parameters. We derive exact relations linking technical inefficiency and allocative inefficiencies to cost and profit when the underlying technology is represented by a flexible functional form such as the translog. It is shown that appending a one-sided homoscedastic error term to model technical inefficiency, or neglecting technical inefficiency altogether in a translog profit tunciton results in model misspecification and inconsistent parameter estimates.     

Identifying bank outputs and inputs with a directional technology distance function

The bank efficiency literature lacks an agreed definition of bank outputs and inputs. This is problematic given the long-standing controversy concerning the status of deposits, but also because bank efficiency estimates are known to be affected by the inclusion of additional outputs such as non-traditional (fee-based) activities or risk measures. This paper proposes a data-driven identification of bank outputs and inputs using the directional technology distance function. While previous applications of this tool used symmetric expansion or contraction directions, we focus on a set of orthogonal directions, each corresponding to an assumption on the input/output status of an individual variable. These directions correspond to a set of different specifications, whose estimated coefficients can be used to determine the input or output status of all variables except the regressand. Our empirical analysis revealed a very consistent pattern across the alternative specifications estimated. There is strong evidence that customer deposits are an input, and that non-performing loans are an important undesirable output. Finally, the orthogonal expansions/contractions we consider avoid the simultaneity problem raised by the “convenient normalization” commonly used to impose linear homogeneity in stochastic frontier estimation.     

Classification transitions under expansion of inputs and outputs in data envelopment analysis

An exchange between Thomas R. Nunamaker and T. Ahn, A. Charnes and W. W. Cooper which revolves around possible behavior of the DEA efficiency measure. In particular, Ahn, Charnes and Cooper provide a counterexample to Nunamaker's assertion that adding inputs to a DMU (Decision Making Unit) which had previously attained an efficiency of 0* = 1 with fewer inputs would never alter this value, no matter how inefficient the use of the additional inputs. Here we want to add additional insight by showing the condition under which Nunamaker's proposition is true. Using the notation and concepts from Charnes, Cooper and Thrall, we shall see that this proposition is true if and only if the previously attained 0* = 1 is uniquely optimal.     

Productivity and efficiency dynamics in Indian banking: An input distance function approach incorporating quality of inputs and outputs

Banking technology is typically characterized by multiple inputs and multiple outputs that are associated with various attributes, such as different types of deposits, loans, number of accounts, classes of employees and location of branches. These quality differentials in inputs and outputs are mostly ignored in empirical studies. These omissions make the practical value of productivity studies in organizations like banks questionable because quality is a key component of performance. This paper proposes using hedonic aggregator functions (as a tool of aggregating inputs and outputs with quality attributes) within an input distance function framework and analyzes the impact of banking deregulation on efficiency and total factor productivity (TFP) change in the Indian banking industry using panel data for the period 1996–2005. Empirical results indicate that banks have improved their efficiency (from 61% in 1996 to 72% in 2005) during the post‐deregulation period, and the gain in efficiency of state‐owned banks has surpassed that of private banks. Improvement in capital base, as indicated by increased capital adequacy ratio, played an important role in ushering efficiency gain. The return to scale estimate suggests that state‐owned banks are operating far above their efficient scale and cost savings can be obtained by reducing their size of operations. Overall, TFP growth was above 3.5% annually. Both technical progress and technical efficiency change consistently played an important role in shaping TFP growth. Copyright © 2010 John Wiley & Sons, Ltd.     

An international comparison of educational systems: a temporal analysis in presence of bad outputs

This study uses the global non-radial Malmquist index to measure performance change in the educational systems of 29 countries/economies participating in PISA 2003 and 2012 for students at age 15 in the disciplines of mathematics and reading. This methodology is particularly appropriate both for its desirable properties as well as its suitability for the educational context. Results indicate a positive evolution in educational systems’ performance during this period. This improvement is mainly due a positive efficiency change, which offsets the negative technological change observed. Nevertheless, a deeper scrutiny at the country level shows that results varied remarkably among them.     

The eclectic theory of international production: A case study of the international hotel industry

This paper presents comprehensive data on the growth, structure and forms of involvement of multinational enterprises in the international hotel industry, and uses this data to provide empirical support for the eclectic theory of international production. Our understanding of the international hotel industry is that the ownership of a hotel often has the characteristics of portfolio investment and that the owners may have little knowledge of hotel operations. In these circumstances they will invariably employ a professional management company to run the hotel under a long term contract providing them with full control over the operation of the hotel. A particular feature of this paper is therefore to distinguish between, what we term, ‘equity-based control’ and ‘contract-based control’ of the enterprise and to point out the implications of this distinction for the analysis of the multinational enterprise.     

The concepts of power in international business negotiations: An empirical investigation

This article examines the bases of social power, namely individual information power, expert power, legitimate power, and referent power on successful international business negotiations (IBNs). The author conducted an online survey among international business executives working in the UK for multinational corporation subsidiaries who were asked to report on the success of their most recent negotiating experience in terms of cooperative (integrative) and competitive (distributive) outcomes. Information power, expert power, and referent power were supported by these results in terms of significance. Unexpectedly, however, information power was positively correlated with integrative or cooperative outcomes and processes. The correlation related to legitimate power was negative but not statistically significant so this hypothesis was not supported. Our results not only contribute to international negotiation theory, but also can assist in the selection and training of practitioners. The academic contribution of this study also relates to model exploration. It brings causal statistical objectivity to qualitatively developed concepts as an essential step in development of knowledge. These theoretical and managerial implications of the study are examined. Furthermore, directions for future research that build on the findings of the study are indicated.     

An investigation of paradigm choice in Australian international human resource management research

This paper addresses the question of whether Australian international human resource management (IHRM) research is dominated by either a universalist or contextualist paradigm. Using a systematic review approach, 82 peer reviewed papers were analysed using a basic extraction tool to record publication and research design details. The universalist/contextualist distinction decision was based on the point at which theory became evident in each publication. Results indicated an almost even split in the universalist/contextualist paradigm choice suggesting a balanced rather than dominant research preference. This finding may reflect the impact of both European and North American influences in Australian IHRM research. A second finding is a high level of papers without proposed theoretical relationships: this second finding has a number of ramifications for IHRM research and practice in Australia.     

Undesirable outputs and a primal Divisia productivity index based on the directional output distance function

Despite their great popularity, all the conventional Divisia productivity indexes ignore undesirable outputs. The purpose of this study is to fill in this gap by proposing a primal Divisia-type productivity index that is valid in the presence of undesirable outputs. The new productivity index is derived by total differentiation of the directional output distance function with respect to a time trend and referred to as the Divisia–Luenberger productivity index. We also empirically compare the Divisia–Luenberger productivity index and a representative of the conventional Divisia productivity indexes–the radial-output-distance-function-based Feng and Serletis (2010) productivity index–using aggregate data on 15 OECD countries over the period 1981–2000. Our empirical results show that failure to take into account undesirable outputs not only leads to misleading rankings of countries both in terms of productivity growth and in terms of technological change, but also results in wrong conclusions concerning efficiency change.     

Public capital formation and productivity growth: Some international evidence

This paper examines the proposition that public capital spending fosters productivity growth in the private sector using a pooled sample of seven OECD countries over the 1963–1988 period. The results indicate that there is a statistically significant positive relationship between public capital formation and the growth rate of labor productivity. This result is not sensitive to whether there is constant returns to scale to some or all inputs, whether the stochastic formulation of the pooled model is a fixed- or a random-effect specification, whether the model includes an energy variable, or whether the data are expressed in the log-differenced or logarithmic form.     

An intertemporal efficiency and technology measurement for tourist hotel

This study develops an intertemporal efficiency model designed to accommodate unbalanced panel data. In an intertemporal efficiency evaluation, there is no guarantee that sample sets of panel data over continuous periods will be balanced, especially in a competitive industry. Therefore, the proposed model is offering a more flexible approach to intertemporal efficiency assessment. The other main contribution is the establishment of indicators, TPR and IPR, which are used to identify the influences of frontier shift and individual change on efficiency. The proposed model is used to evaluate a dataset of tourist hotels from 2007 through 2011, and the empirical results provide several findings for tourist hotel management.     

Sources of airline productivity from carbon emissions: an analysis of operational performance under good and bad outputs

This study incorporates carbon dioxide emissions in productivity measurement in the airline industry and examines the determinants of productivity change. For this purpose a two-stage analysis under joint production of good and bad outputs is employed to compare the operational performance of airlines. In the first stage, productivity index are derived using the Luenberger productivity indicator. In the second stage, productivity change scores derived therefrom are regressed using the random-effects Generalized Least Squares to quantify determinants of productivity change. The paper finds low cost carriers and average number of hours flown per aircraft having a positive impact on productivity under joint production model while demand variable negatively impacts on productivity under market model.     

Infrastructure and productivity: An extension to private infrastructure and it productivity

This paper incorporates both public and private infrastructure within the framework of a nonlinear production function. The theoretical model specifies a technological growth rate as a nonlinear function of government infrastructure and private infrastructure generated by the information sector of the economy—cable, wireless stations, satellites, internet facilities, broadcasting, etc. The time trend is included to capture the effect of all other variables. The empirical estimates generated by the model imply increasing returns to scale for the US economy in the last few years. The evaluation of the growth accounting equation implies that information technology was the largest contributing component to growth during the expansion of the 1990s.     

以服务于大众旅游为目标发展经济型饭店的探索

本文以首旅集团创造和经营“如家”品牌为例,探讨了如何以品牌为纽带,变社会旅馆为经济型饭店,逐步建设、完善现代大众旅游接待体系。     

Bayesian measurement of productivity and efficiency in the presence of undesirable outputs: crediting electric utilities for reducing air pollution

Many studies have measured productivity change and efficiency when an undesirable output is a by-product. We flexibly treat the bad as a technology shifter of an input distance function and model a system of nonlinear equations subject to endogeneity. Theory dictates that we impose monotonicity on all inputs, outputs, and the bad. Since a Bayesian full-information likelihood approach can easily be misspecified, we utilize the Kim (J. Econometrics 107 (2002) 175) limited-information likelihood (LIL) derived by minimizing the entropy distance subject to the moment conditions from the Generalized Method of Moments (GMM) estimator. This represents an extension of the Bayesian Method of Moments approach of Zellner and Chen (Macroeconom. Dyn. 5 (2001) 673), Zellner and Tobias (Int. Econom. Rev. 42 (2001) 121), and Zellner (in: Bayesian Analysis in Econometrics and Statistics: The Zellner View and Papers, Edward Elgar, Cheltenham, 1997; J. Econometrics 83 (1998) 185) which uses entropy maximization but does not incorporate a specific likelihood. Using Bayes’ Theorem we combine traditional priors with the LIL, which has a mode at the standard multiple-equation GMM estimator, yielding a limited-information posterior distribution. We generalize the approach of Kim (J. Econometrics 107 (2002) 175) by incorporating an unknown covariance matrix in a Gibbs sampling framework and applying the methodology to nonlinear equations. This allows us to estimate shadow prices, technical efficiency, and productivity change for a panel of electric utilities, yielding results that differ substantially from those obtained using standard GMM.     

An investigation into international assignment directions of R&D MNE employees: evidence from Greece

In this study, we explore the effects of the roles of research and development (R&D) laboratories, roles of subsidiaries and level of technological intensity of the sector in which multinational enterprise (MNE) subsidiaries operate on international assignment directions of R&D employees. International assignments are an underinvestigated issue in the international human resource management literature despite its significant research and managerial importance. In particular, to the best of our knowledge, no prior research on international assignments of R&D employees has been undertaken and so the current study aims at filling this void in the literature. Based on a large quantitative research on MNE subsidiaries operating in Greece, the findings suggest that variables of the aforementioned categories of factors influence different international assignment directions, with roles of the R&D subsidiary exerting the most crucial effect. Researchers may examine the unexplored issue of R&D employee international assignments to a larger extent, while MNE management can particularly take into account the micro (laboratory) context of R&D international assignees when developing effective international human resource management programmes.     

Social networks and labour productivity in Europe: an empirical investigation

This paper uses firm-level data recorded in the Amadeus database to investigate the distribution of labour productivity in different European countries. We find that the upper tail of the empirical productivity distributions follows a decaying power-law, whose exponent α is obtained by a semi-parametric estimation technique recently developed by Clementi et al. [Physica A 370(1):49–53, 2006]. The emergence of “fat tails” in productivity distribution has already been detected in Di Matteo et al. [Eur Phys J B 47(3):459–466, 2005] and explained by means of a model of social network. Here we show that this model is tested on a broader sample of countries having different patterns of social network structure. These different social attitudes, measured using a social capital indicator, reflect in the power-law exponent estimates, verifying in this way the existence of linkages among firms’ productivity performance and social network.     

The international fragmentation of Austrian manufacturing: The effects of outsourcing on productivity and wages

Since the fall of the Iron Curtain, Austria and other small, open Western European countries have increasingly outsourced part of their production to the Eastern transition countries. This study assesses the effects of fragmentation of Austrian manufacturing on total factor productivity and mandated factor prices. Outsourcing to the East significantly improves domestic growth in total factor productivity, but possibly less in low-skill, labor-intensive industries and more in capital-intensive ones. Estimates of the mandated wage regressions suggest that in the presence of perfect factor markets wages would be lower for low-skilled workers and higher for high-skilled workers as a result of outsourcing.     

Eldercare and job productivity: An accommodation analysis

Over the next decade, the number of working adults relegated to the role of caregiver for one or more elderly family members will rapidly surge. The emotional, physical, and financial stress of caregiving has already begun to impact the productivity of the employee elder caregiver in the workplace, with estimates placing the annual costs around $30 billion. We can expect costs to grow as workers and their elderly parents continue to age. This particular study addresses the fundamental research question of what affects the job performance of employee elder caregivers. The results support the conclusion that the relationship among caregiving, personal support, organizational accommodation, and job productivity is multidimensional. Organizations attuned to the demands of elder caregiving can work with affected employees to reduce or eliminate declines in job productivity. Future researchers and practitioners can reconsider their research protocols and interventions along a wide continuum of interactions in the employee's home and workplace environments.     

Worker voice,managerial response and labour productivity: an empirical investigation

This article investigates the relationship between worker voice practices, employee perceptions of managerial responsiveness and labour productivity. It argues that managerial responsiveness is a critical but under‐investigated variable in the study of the relationship between worker voice, human resource management and performance. Our results suggest that managerial responsiveness to worker voice does lead to superior labour productivity. However, this relationship is only found in non‐union workplaces and there is little relationship between formal voice regime and productivity. One important implication of this finding is that more responsive management will result in improved productivity, so policy interventions should focus on how to motivate managers to become more responsive to their employees.