Market and learning orientation in times of turbulence: relevance questioned? An analysis using a multi-case study

This paper aims to pinpoint and to discuss the factors that determine (i) why companies which have previously not been market oriented become so, and (ii) why already market-oriented companies increase their level of market orientation. This paper also analyses drivers of market orientation adoption and dynamics of processes as well as potential links between market orientation, strategy and learning orientation. Empirical research is based on a multi-case study of the Spanish construction and real state industry, providing a longitudinal approach. Data suggest that competitive environments trigger heightened interest in the market orientation and learning orientation constructs. In the analysed industry market orientation seems to be more prevalent in the “sunset” rather than before during the “sunrise” of the industry, which is opposite to the early work of Baker et al. (In: Sauders J (ed) The Marketing Initiative: ESRC Studies into British Marketing. Preentice-Hall, Hemel Hempstead, 1994). The link between market orientation and strategy is unclear, but proactive firms are better prepared for periods of crisis. Thinking on practical implications, this research highlights the relevance of market orientation and learning orientation in times of turbulence and suggests that proactive firms are better prepared for times of turbulence. The paper also includes discussion and implications for both literature and practice. Recommendations for best practices are also provided.     

Gender diversity and firm performance: evidence from Dutch and Danish boardrooms

Drawing on the business case for gender diversity, this article examines whether board gender diversity has a positive effect on firm performance, based on evidence from the Netherlands and Denmark. We use empirical data on 186 listed firms observed in 2007. Almost 40% have at least one woman in the boardroom. Within boards, the average share of women is only 5.4%. To investigate the impact of board gender diversity, two-stage least-squares estimation is applied, using Tobin’s Q as a measure of performance. Our findings indicate that on the basis of this data-set, there is no relation between board diversity and firm performance.     

Multi‐objective crop planning using pareto‐based evolutionary algorithms

The scarcity of water is a growing problem worldwide. The increasing use of water in industrial, urban, and agricultural applications together with the continuous increase in population require the proposal of efficient solutions. In the case of agricultural use, it is necessary to not only maximize the economic benefits, but also to establish optimal water‐saving crop planning, especially for water‐deficient regions. Due to the multi‐objective nature of these problems, the decision‐making process is complex. Fortunately, the increase in computational resources available in recent years has allowed researchers to develop efficient computational algorithms to deal with real and complex optimization problems, including agricultural ones. In particular, multi‐objective evolutionary algorithms (MOEAs) are known for their ability to optimize several objective functions simultaneously to provide a representative set of the Pareto front, which is a set of problem solutions representing a trade‐off between the best values of each of the objectives. This article proposes solving a multi‐objective crop planning problem using two Pareto‐based MOEAs. Results obtained when solving this problem using real data collected from a large number of greenhouses in Spain to show the advantages of using these multi‐objective approaches.     

Durbin’s random substitution and conditional Monte Carlo

Durbin (Biometrika 48:41–55, 1961) proposed a method called random substitution, by which a composite problem of goodness-of-fit can be reduced to a simple one. In this paper we provide a method of finding the p-value of any test statistic, for a composite goodness-of-fit problem, based on the simulation of a large number of conditional samples, using an analog of Durbin’s proposal in a reverse-type application. We analyze a Bayesian chi-square test proposed in Johnson (Ann Stat 32:2361–2384, 2004) which relies on a single randomization and relate it with Durbin’s original method. We also review a related proposal for conditional Monte-Carlo simulation in Lindqvist and Taraldsen (Biometrika 92:451–464, 2005) and compare it with our procedure. We show our method in a non-group example introduced in Lindqvist and Taraldsen (Biometrika 90:489–490, 2003).     

The effect of university and regional knowledge spillovers on firms’ performance: an analysis of the Spanish USOs

Previous empirical studies of university spin-off (USO) growth have applied a firm-based approach without modelling how contextual factors may influence firm growth. By adopting an ‘interactionist approach’, this paper tests the hypothesis that the regional and university contexts may partly determine USO growth, together with firms’ internal resources. Using a sample of 531 Spanish USOs located in 16 Spanish regions and launched by 51 universities over the 2001–2013 and applying multilevel modelling with macro- and micro-data, the findings confirmed that regional context, together with firm-specific characteristics, are important for explaining USO growth. More specifically, the presence of venture capitalists, the capacity to generate internal funds, and operating in high-tech industries have a positive effect on USO growth. On the basis of the results, we propose some policies for fostering USO growth.     

The economics of education and policy: Ideas for a principles course

There are many aspects of the “economics of education” that would make excellent examples for introductory economics students. The author presents two topics that are central to the economics of education and to human capital theory: the economic benefit (or “returns”) to schooling and educational attainment as an investment. There are two key concepts the author hopes students get from this discussion. The first is that there are both private and social benefits of schooling whence we derive the rationale for government intervention. The second is that educational attainment is an investment decision with both costs and benefits, and some risk.     

Consumption externalities: a representative consumer model when agents are heterogeneous

We examine a growth model with consumption externalities where agents differ in their initial capital endowment and their reference group. We show under which conditions the aggregate equilibrium with heterogeneous agents replicates that obtained with a representative consumer, despite the fact that different individuals have different consumption levels. Next we consider the implications of the presence of consumption externalities for the long-run distributions of income and wealth. We find that, in a growing economy, “keeping up with the Joneses” results in less inequality than would prevail in an economy with no consumption externalities.     

Factor Components of Inequality: A Cross‐Country Study

This paper uses data from the Luxembourg Income Study to examine some of the forces that have driven changes in household income inequality over the last three decades of the twentieth century. We decompose inequality for six countries (Canada, Germany, Norway, Sweden, the U.K., and the U.S.) into the three sources of market income (earnings, property income, and income from self‐employment) and taxes and transfers. Our findings indicate that although changes in the distribution of earnings are an important force behind recent trends, they are not the only one. Greater earnings dispersion has in some cases been accompanied by a reduction in the share of earnings which dampened its impact on overall household income inequality. In some countries the contribution of self‐employment income to inequality has been on the rise, while in others, increases in inequality in capital income account for a substantial fraction of the observed distributional changes.     

Momentum meets value investing in a small European market

In this paper, we investigate two prominent market anomalies documented in the finance literature – the momentum effect and value-growth effect. We conduct an out-of-sample test to the link between these two anomalies recurring to a sample of Portuguese stocks during the period 1988–2015. We find that the momentum of value and growth stocks is significantly different: growth stocks exhibit a much larger momentum than value stocks. A combined value and momentum strategy can generate statistically significant excess annual returns of 10.8%. These findings persist across several holding periods up to a year. Moreover, we show that macroeconomic variables fail to explain value and momentum of individual and combined returns. Collectively, our results contradict market efficiency at the weak form and pose a challenge to existing asset pricing theories.     

制造世界:对未来的一瞥!

第53届威尼斯双年展,如往常一样,意欲展示当代艺术最前沿的新趋势,每个国家中那些初出茅庐的,或已享有一定知名度的艺术家犹如该国的艺术大使在威尼斯双年展上展示自己的艺术。今年,威尼斯双年展的展览规模空前的扩大,可谓百花齐放。从传统的军械库(Arsenale),绿堡花园(Giardini)开始,