Crack spread option pricing with copulas

A copula-based approach for pricing crack spread options is described. Crack spread options are currently priced assuming joint normal distributions of returns and linear dependence. Statistical evidence indicates that these assumptions are at odds with the empirical data. Furthermore, the unique features of energy commodities, such as mean reversion and seasonality, are ignored in standard models. We develop two copula-based crack spread option models using a simulation approach that address these gaps. Our results indicate that the Gumbel copula and standard models (binomial, and Kirk and Aron (1995)) mis-price a crack spread option and that the Clayton model is more appropriate. We contribute to the energy derivatives literature by illustrating the application of copula models to the pricing of a heating oil–crude oil “crack” spread option.     

Linking Societal Trust and CEO Compensation

We examine the association between societal trust and the levels of CEO compensation and the proportion of equity-based compensation of 897 firm-years from 18 countries over the 2007–2013 period. We find both the levels of CEO compensation as well as the proportion of equity-based compensation to be lower in countries with higher levels of societal trust. This suggests that costly regulations on CEO compensation may not be as necessary in jurisdictions with higher levels of societal trust. We also examine the association between pay disparity and societal trust. Consistent with our finding of lower pay at the CEO rank, we find pay disparities are lower in countries with higher levels of societal trust.     

Consumer Preference and Willingness to Pay for a Local Label Attribute in Western Australian Fresh and Processed Food Products

This study investigates Western Australia’s consumer attitudes toward and preferences for locally produced food products signified by a state-funded campaign logo, Buy West Eat Best (BWEB). A choice experiment using both a fresh and a processed food product (skinless chicken breast and fruit yogurt) is conducted to assess willingness to pay for a local production attribute and other label claims. We find that consumer awareness and preference for local foods is high. However, this high preference is not because the product is locally produced but because of the local attributes associated with high-quality products. The study highlights the importance of successfully differentiating products through credible labeling schemes in order to capture market premium.     

Does Zero Tillage Improve the Livelihoods of Smallholder Cropping Farmers?

The biophysical benefits of zero tillage (ZT) are well documented in the literature. However, the literature on its economic benefits, especially in the context of small and medium‐scale farmers in the temperate developing world is scanty. Using a study of 621 wheat farmers in Syria, we provide empirical evidence on the impacts of adoption of ZT on farm income and wheat consumption. We use propensity score matching (PSM) and endogenous switching regression (ESR) approaches to account for potential selection biases. After controlling for confounding factors, we find that adoption of the ZT technology leads to a US$ 189/ha (33%) increase in net crop income and a 26 kg (34%) gain in per capita wheat consumption per year (adult equivalent) – an indication of meaningful changes in the livelihoods of the farm households. Besides the biophysical and environmental benefits documented elsewhere, our results suggest that adoption of ZT can also be justified on economic and food security grounds. Therefore, ZT can have sizeable impacts in transforming the agricultural sector in the temperate developing world provided that the technology is well promoted and adopted.     

CONVERGENCE OF AMERICAN OPTION VALUES FROM DISCRETE- TO CONTINUOUS-TIME FINANCIAL MODELS1

Given a sequence of discrete-time option valuation models in which the sequence of processes defining the state variables converges weakly to a diffusion, we prove that the sequence of American option values obtained from these discrete-time models also converges to the corresponding value obtained from the continuous-time model for the standard models in the finance/economics literature. the convergence proof carries over to the case when the limiting risky asset price process follows a diffusion, except it pays discrete dividends on some fixed dates.     

Dividend payout and executive compensation: theory and evidence

Bhattacharyya (2007 ) develops a model in which compensation contracts motivate high‐quality managers to retain and invest firm earnings, while low‐quality managers are motivated to distribute income to shareholders. In equilibrium, the model shows that there is a positive (negative) relationship between the earnings retention ratio (dividend payout ratio) and managerial compensation. Results of tests of US data show that executive compensation is positively (negatively) associated with earnings retention (dividend payout). Our results indicate that corporate dividend policy is perhaps best understood by considering the payout ratio (dividends divided by earnings), rather than the level of cash dividends alone.     

Does paternity leave matter for female employment in developing economies? Evidence from firm-level data

Analysis using firm-level data for a sample of 33,302 firms in 53 developing countries shows that women’s employment among private firms is significantly higher in countries that mandate paternity leave versus those that do not. A conservative estimate suggests an increase of 6.8 percentage points in the proportion of women workers associated with mandating paternity leave. The empirical specification is immune to spurious correlations that affect the level of women and men employment equally and also robust to a large number of controls for country and firm characteristics.     

Financial market development,global financial crisis and economic growth: evidence from developing nations

Emerging and frontier markets in Africa have witnessed various economic and financial reforms aimed at integrating the domestic markets into the global financial market to attract investment. Whether these reforms promote high economic growth remains inconclusive. The paper applies the pooled mean group estimation technique to empirically re-investigate the link between financial market development, global financial crisis, and economic growth in selected African economies. The results strongly support our hypotheses that stock market and banking sector development promotes economic growth in the selected countries. Moreover, financial crisis reduce the positive effects of both the stock market and banking sector developments on economic growth. The study suggests that both the banking sector and stock market are important to deliver the long-run economic growth that the African region desired. Moreover, effort should be made to enact policy measures that would ensure development of the stock market which has received inadequate attention.