This study examines the impact of energy demand, air pollution, fossil fuel energy and greenhouse gas emissions on agricultural production in Pakistan for the period 1980-2013. The study utilized the following variables for agricultural production, i.e., agriculture value added, cotton production, wheat production, rice production and sugarcane production in Pakistan. The study employed generalized method of moments estimator to evaluate different simultaneous equations in relation to environmental factors and agricultural production in a country. The results show that CO 2 emissions have a positive and energy sources have a negative impact on agricultural value added. The fossil source of energy has a direct relationship with the cotton and sugarcane production, while CO
This study analyses risk-return trade-off and behaviour of various volatility dynamics including: volatility, its persistence, mean reversion and speed of mean reversion along with asymmetry and leverage effect on the Pakistani stock market by employing aggregate (aggregate market level) and disaggregate (sectoral level) monthly data for the period from 1998 to 2012. Three generalised autoregressive conditional heteroscedasticity models were applied: GARCH (1,1) for various volatility dynamics; EGARCH for asymmetric and leverage effect and GARCH-M for pricing of risk. The outcomes of the study are as follows: first, the volatility shocks are quite persistent but with varying degrees across the sectors. Both the ARCH effect (short-term effect) and GARCH effect (long-term effect) play their role in generating conditional future stock returns volatility. Further, overall the volatility process is mean reverting; however, the speed of mean reversion varies across the sectors. Secondly, the current study finds little evidence of asymmetry and leverage effect at both aggregate and disaggregates data. Thirdly, the pricing of risk (positive risk premium) is also evident, particularly at the disaggregate data in the Pakistani stock market. Finally, this research study sets the implications for both the policy makers and investors.
This study examined the effect of corporal punishment on students' motivation and classroom learning. Research has indicated that behavior of teacher profoundly influences students' learning. It has been observed with great concern that teachers in Pakistani schools resort to corporal punishment to motivate students for classroom learning. Over the years this practice has resulted in reduced students' motivation towards learning.This study was purposefully designed to investigate this area of concern. For this purpose, the study attempted to find answer to the question that was there any relationship between corporal punishment and students' motivation and classroom learning. Using a correlation design, the study surveyed attitudes of a randomely sampled 250 teachers from secondary schools in Malakand district, Khyber Pakhtunkhwa, Pakistan. For data analysis, SPSS was used. This research studied the relationship between the following three main variables: corporal punishment as independent variable and student motivation and classroom learning as dependent variables. To examine correlation between the variables, ANOVA and Regression Analysis were utilized. Results of the study revealed that corporal punshment was significantly negatively correlated with students' motivation and classroom learning.
The purpose of this study is to explore how various dimensions of leadership style are being used to measure organizational effectiveness. Job satisfaction is one of the essential indicators used to measure organizational effectiveness. Literature suggests that the manager’s transformational leadership style highly influences the employees’ job satisfaction. This study focuses on identifying the role of a transformational leader in developing job satisfaction in employees of the banking industry, using the organizations’ learning culture as the moderating variable. For this purpose, a total of 180 respondents were surveyed from UAE’s banking sector. In this study descriptive statistics, Pearson’s correlation coefficient, and multiple regression analysis were employed for the data analyses. The results confirmed that the five dimensions of transformational leaders and overall transformational leadership style significantly affect the employee’s job satisfaction, whereas the moderating effect of the organizational learning culture on any of the said relationships was found insignificant. This study used self-reported data based on a cross-sectional survey in the banking sector only. The research emphasizes the implication of the leaders’ personal traits to be a significant determinant of an employee’s satisfaction. In addition, managers in the banking sector in UAE realized that organization learning culture (OLC) has not had any significant impact on employees’ job satisfaction. As there is not sufficient literature on the moderating role of organizational learning culture, this study is a valuable contribution to the existing body of knowledge.
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