Using ad hoc measures for response styles: a cautionary note

This research note addresses the challenge of how to optimally measure acquiescence response style (ARS) and extreme response style (ERS). This is of crucial importance in assessing results from studies that have tried to identify antecedents of response styles (such as age, education level, national culture). Using survey data from the Netherlands, a comparison is made between the traditional method and a more recently proposed method of measuring ARS and ERS (i.e., the convergent validity across both methods is assessed). The traditional method is based on an ad hoc set of related items. The alternative method uses a set of randomly sampled items to optimize heterogeneity and representativeness of the items. It is found that the traditional method may lead to response style measures that are suboptimal for estimating levels of ARS and ERS as well as relations of ARS and ERS with other variables (like hypothesized antecedents). Recommendations on how to measure response styles are provided.     

Optimal prepayment and default rules for mortgage-backed securities

We study the optimal stopping problems embedded in a typical mortgage. Despite a possible non-rational behaviour of the typical borrower of a mortgage, such problems are worth to be solved for the lender to hedge against the prepayment risk, and because many mortgage-backed securities pricing models incorporate this suboptimality via a so-called prepayment function which can depend, at time t, on whether the prepayment is optimal or not. We state the prepayment problem in the context of the optimal stopping theory and present an algorithm to solve the problem via weak convergence of computationally simple trees. Numerical results in the case of the Vasicek model and of the CIR model are also presented. The procedure is extended to the case when both the prepayment as well as the default are possible: in this case, we present a new method of building two-dimensional computationally simple trees, and we apply it to the optimal stopping problem.     

The Visible Hand of corporate entrepreneurship in state-owned enterprises: a longitudinal study of the Spanish National Postal Operator

This study explores how the corporate entrepreneurship (CE) of state-owned enterprises (SOEs) evolves under varying conditions of state ownership and control, laws and norms, and competence in the market. For this purpose, we present a longitudinal case study focused on the Spanish postal operator Correos using qualitative archival data and interviews. Our results indicate that the willingness and capacity of an SOE to act entrepreneurially depends critically on its degree of autonomy from the state and on the extent to which its legal and market environments increase its dynamism, complexity, and hostility. We also show that the development of CE in an SOE may lead to improved service quality, operational efficiency, and business specialization; facilitate its market positioning; and foster its sustainability through the exploration and exploitation of strategic alliances that can increase its business scope.

     

POLICY MAKING FOR INDUSTRIAL COMPETITIVENESS IN PORTUGAL - Patterns of change in a traditional bureaucracy

In Portugal the EEC membership represented a major change in Portuguese Administration functioning. This article uses the new institutionalism approach and the concept of path-dependence to analyse the change in the functioning of a central directorate reponsible for industrial policy. It argues that despite the external pressures for change has altered the directorate operations, there are patterns of continuity which are path-dependent. The response to change shows institutional reproduction in traditional features which is partly due to the reluctance to change traditional methods and partly because of the routines, procedures and norms embedded in the culture.     

Shedding new light on the relationship between contextual ambidexterity and firm performance: An investigation of internal contingencies

This research investigates four key factors that influence the relationship between contextual ambidexterity and firm performance: two knowledge exchange elements (i.e., informational justice and task conflict) and two aspects of the internal competitive environment (i.e., resource competition and reward interdependence). These components define a firm's ability to convert its ambidextrous posture into enhanced performance. A sample of Canadian-based firms shows that the contextual ambidexterity–firm performance relationship is amplified at higher levels of informational justice and reward interdependence but suppressed at higher levels of task conflict and resource competition. The authors discuss the study's implications as well as future research directions.     

Testing the Influence of Substitute Sites in Nature Valuation by Using Spatial Discounting Factors

This paper investigates the effect of nearby nature substitute sites on preferences for nature restoration. Contrary to prior studies, we use a respondent-centric approach to control for substitute sites. We assess each respondent-specific spatial context by computing densities of nature substitute sites within various ranges from each respondent’s home. This approach considers the use and non-use values of nature together. Data from three similar discrete choice experiments carried out in Flanders (Belgium) are compared. Different spatial discounting factors are tested to explore how the substitution effect behaves with regard to distance. Latent class analyses are performed to account for preference heterogeneity among respondents. We observe divergent behaviours across groups of respondents. The “distance-to-substitutes” affects how respondents gauge substitute sites. We find a significant influence of the squared average buffer distance but this effect varies in sign across case studies and classes of respondents. Our results demonstrate that individual-specific GIS data can significantly improve the representation of the spatial context and the transferability of value functions. However, the roles played by preference heterogeneity and nature perception on respondents’ capacity to value nature still deserves further attention in future research.     

When companies improve the sustainability of the natural environment: A study of large U.S. companies

In light of the call for companies to abandon current approaches to environmental management, this study adds to the environmental strategy literature and uses the evidence of competitive dynamics among companies to identify a mechanism by which companies invest in proactive environmental strategies and thereby improve the sustainability of the natural environment. An examination utilizing fixed effects regressions on a sample of large U.S.‐based companies reveal that even after controlling the number, environmental and financial performance of leading (environmental) companies, laggard (environmental) companies are more likely to invest in proactive environmental strategies when their leading peers display higher sustainability orientations. Neither the expectation of government regulation nor social movement pressure was found to be influential in this relationship. Therefore, the future dominance of companies' investments in the sustainability of the natural environment will be driven by companies themselves as long as competitive advantages are expected.     

The demand for tobacco in post-unification Italy

This paper studies the demand for tobacco products in post-unification Italy. We construct a very detailed panel data set of yearly consumption in the 69 Italian provinces from 1871 to 1913 and use it to estimate the demand for tobacco products. We find support for the Becker and Murphy (J Polit Econ 96:675–700, 1988) rational addiction model. We also find that, in the period considered, tobacco was a normal good in Italy: aggregate tobacco consumption increased with income. Subsequently, we consider separately the four types of products which aggregate tobacco comprises (fine-cut tobacco, snuff, cigars, and cigarettes), and tentatively suggest that habit formation was a stronger factor on the persistence of consumption than physical addiction. The paper ends by showing that the introduction of the Bonsack machine in the early 1890s did not coincide with changes in the structure of the demand for tobacco, suggesting cost-driven technological change.     

企业家高工作满意度来源研究

企业家在市场经济中发挥着重要作用。在美国经济中,很多变革、创新和进步都来自企业家,并且由民营企业家创立的民营企业在提供就业机会上扮演了重要角色。本文所指的企业家遵从熊彼特的定义,认为企业家的职能是创新,创新是判断企业家的标准,在这个意义上,中小企业的创业者是纯正的企业家。一般人认为,美国一直不断产生企业家和创业者,实际上,创业者占劳动力市场的比例在1870至1973之间持续下降,到1976年后才开始回升。这种回升一直持续到现在。根据Gartnet与Shane的进一步研究发现:以每个单位资本所拥有的企业家,自20世纪70年代到20世纪90…     

河南省农业生产力现状及发展对策研究

河南省是我国重要的农产品生产基地。据统计，2004年河南生产总值8815．09亿元，比上年增长13．7％。其中，第一产业增加值1647．48亿元，增长12．8％；全年粮食总产量4260．00万吨，比上年增长19．3％，创历史最高水平，新增粮食产量居全国首位。农村经济结构进一步优化，全省优质专用小麦种植面积731．33千公顷，占小麦播种面积的36％；畜禽优质产品率进一步提高。全年肉类总产量643．00万吨，比上年增长6．5％。在几个全国有显著影响的农业优势产业区和产业带的基础上，经过多年的发展，形成了一些知名品牌，如“三全”、“思念”、“华英鸭肉”、“莲花味精”、“双汇”等。