Chief executive officer ability and corporate environmental sustainability information disclosure

This study explores the impact of CEO ability on corporate environmental sustainability information disclosure. We take samples from Chinese A-share listed companies from 2010 to 2019 and use the ordinary least squares as a baseline regression model to check the relationship between CEO ability and corporate environmental sustainability information disclosure. Our findings are robust to different corporate environmental sustainability information disclosure measures and CEO ability. We found a positive association between CEO ability and corporate environmental sustainability information disclosure; thus, firms with a more able CEO are more likely to disclose more corporate environmental sustainability information. Our results also found a significant negative interaction coefficient between CEO ability and CEO career concerns. As the CEO grows older, his/her ability decreases; therefore, corporate environmental sustainability information disclosure reduces. Furthermore, we document that a female CEO strengthens the relationship between CEO ability and corporate environmental sustainability information disclosure. The study results are important for understanding corporate environmental responsibility development and implementation, particularly in China.     

Child Labour Use and Economic Growth: An Econometric Analysis

We present a simple dynamic theory of child labour, human capital formation, and economic growth that is consistent with some of the main features of child labour and economic development. The model supports a number of testable hypotheses, which we investigate econometrically in a systems approach. Using panel data from 64 countries in the period 1960–1980, the econometric results match the theory well. The incidence of child labour is negatively related to parental human capital and education quality, but is positively correlated with education cost. Further, countries with higher amounts of child labour tend to have lower stocks of human capital in the future. There is also a convergence phenomenon between the level and growth of human capital. The lower the current stock of human capital, the higher is current child‐labour use and the faster is the growth rate of human capital.     

Analysis of capacity constraints on the backlog bullwhip effect in the two-tier supply chain: a Taguchi approach

This paper investigates the impact of capacity constraints and safety stock on the backlog bullwhip effect in a model of a two-tier supply chain. One of the most commonly applied methodologies to study the various aspects of the Beer Game model is the control theoretic technique. It is clear that these control theoretic models are linear and cannot deal with non-linearities, such as capacity constraints. Thereafter, simulation experiments together with Taguchi design of experiments are performed to study non-linear impacts of capacity constraints in a two-tier supply chain. This research gives supply chain operations’ managers and designers a practical way to develop a trade-off between capacity and safety stock at different echelons and to take better decisions about their capacity and safety stocks. Future work should investigate the total cost implications of capacity constraints and safety stocks in a multi-echelon supply chain.     

Regional and copula estimation effects on EU and US energy equity portfolios

ABSTRACT

The aim of this paper is to investigate the regional interdependence structure of energy equities in the US and in the EU. Based on weekly stock prices of 28 big energy firms in the two regions from 2008 to 2019, we compare the efficiency of using bivariate or multivariate copulas to describe the dependence structure of energy equities. Furthermore, we investigate the impact of the choice between these two methods on the performance of energy equity portfolios. Our empirical results show that multivariate copulas, such as C-Vine, allow to better describe the dependence structure of energy equities. We also find that there is a stronger and more complex dependence structure among EU energy equities than among US energy equities. Our scenario analysis also shows that the dependence structure is stronger during the GFC while being weaker during the ESDC. More importantly, the correlation matrix obtained from the multivariate copula method allows to obtain optimal mean-CVaR portfolios with a higher performance than that from the bivariate copula method. More importantly, optimal portfolios constituted with multivariate copulas allow to reduce the portfolio’s sensitivity to oil prices.     

Awareness of Islamic banking products among Muslims: The case of Australia

The purpose of this study is to examine the awareness of Muslim Australians of Islamic banking, particularly profit-and-loss sharing agreements. A sample of 300 Australian Muslims were surveyed utilising a short questionnaire containing specific questions relating to the willingness of respondents to purchase profit-and-loss sharing Islamic banking products. The results indicate that the majority of the respondents are interested in purchasing these products, but are not properly informed about how they function. It was common to find respondents who were keen to purchase Islamic banking products, but only if credit facilities were available. This is contrary to Islamic Shari'ah law, and suggests a lack of understanding of the principles of Islamic finance.     

Innovation and corporate sustainability: An investigation into the process of change in the pharmaceuticals industry

Although there has been considerable research effort directed at refining the content of corporate environmental performance, e.g. corporate environmental reporting and accounting, there has been relatively little empirical investigation to date on the process of corporate eco‐change. This research reports on the quantitative and qualitative results of a survey of German and UK pharmaceuticals firms, which evaluated the significance of the various incentives, both intra‐firm and external to the organization, that have stimulated eco‐change. We find that, although the industry is one that has been characterized by voluntary agreements and proactive behaviour in the past, regulation still remains the main driver for sustainability improvements. New technology is the second most important driver. Stakeholder dialogue and inter‐firm cooperation were both revealed to be relatively weak forces for eco‐change. The study also tested the validity of the conventional neo‐classical economic world‐view of innovation in firms versus a more radical co‐evolutionary one. The former assumes that firms respond only to profit signals and do so efficiently, whereas the latter assumes that change is path dependent; i.e., the firms’ norms and routines and past experiences are influential. We find that, although the neo‐classical perspective stands up to our empirical investigation of eco‐innovation to some degree, the co‐evolutionary approach better captures the complexity of the corporate eco‐change process. Copyright © 2001 John Wiley & Sons, Ltd. and ERP Environment     

DISCRETE TIME HEDGING OF THE AMERICAN OPTION

In a complete financial market we consider the discrete time hedging of the American option with a convex payoff. It is well known that for the perfect hedging the writer of the option must trade continuously in time, which is impossible in practice. In reality, the writer hedges only at some discrete time instants. The perfect hedging requires the knowledge of the partial derivative of the value function of the American option in the underlying asset, the explicit form of which is unknown in most cases of practical importance. Several approximation methods have been developed for the calculation of the value function of the American option. We claim in this paper that having at hand any uniform approximation of the American option value function at equidistant discrete rebalancing times it is possible to construct a discrete time hedging portfolio, the value process of which uniformly approximates the value process of the continuous time perfect delta‐hedging portfolio. We are able to estimate the corresponding discrete time hedging error that leads to a complete justification of our hedging method for nonincreasing convex payoff functions including the important case of the American put. This method is essentially based on a new type square integral estimate for the derivative of an arbitrary convex function recently found by Shashiashvili.     

Landowner knowledge and willingness to supply woody biomass for wood-based bioenergy: Sample selection approach

Nonindustrial private forest (NIPF) landowners’ willingness to harvest woody biomass for wood-based bioenergy is important if sustainable feedstock supplies are to be realized in the U.S. However, a significant number of them do not know that unused logging residues could be used to produce wood-based bioenergy. Therefore, this study analyzed landowner willingness to harvest woody biomass in Mississippi contingent upon their knowledge of wood-based bioenergy. The requisite data were analyzed in accordance with the Heckman approach. Results indicated that elderly, male, and resident landowners, having larger tracts of pine plantations were more likely to be aware of wood-based bioenergy. The results further revealed the need for bioenergy related extension education focusing on female landowners and those having small tracts of forest land.