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Effect Of Corporate Social Responsibility On Profitability Of Listed Deposit Money Banks In Nigeria
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CHAPTER THREE METHODOLOGY
3.1 Introduction
This chapter addresses methodological issues which include research design, population and sample size; sources and methods of data collection; techniques of data analysis and definition and measurement of variables. It also consists of diagnostics and post estimation tests. This study adopts a longitudinal panel research design and uses panel data (cross sectional and time series data) to analyze the effects of CSR on the profitability of listed deposit money banks in Nigeria. This type of research design seeks to establish causal relationship between the dependent and independent variables (Robson, 2002; Nelling & Webb, 2009 and Saunders, Lewis & Thornhill, 2009). According to Kerlinger and Lee (2000), this research design is appropriate where the study is attempting to explain how the phenomenon operates by identifying the underlying factors that produce change in it in which case there is no manipulation of the independent variables.
3.2 Population and Sample Size of the Study
The population of the study is 15 deposit money banks listed on the floor of the Nigerian Stock Exchange. Ecobank Transnational Incorp is excluded from the sample having been listed on 24th April, 2006 (meaning that the data for 2006 is not for full year), therefore the sample size is reduced to 14 deposit money banks listed and had full accounts for period 1st January, 2006 through to 31st December, 2015 as shown in
3.3 Model SpecificationThe general equation/model of the study is:
Profitabilityi,t = α + CSRi,t + εi,t (1)
Although, the study is examining how CSR influences on profitability, there are other factors that can influence profitability which require to be controlled for in the estimations. On the basis of earlier studies, this study considers size (SIZE), leverage (LEV) and interest rate (INTR) as control variables for firm size, financial leverage and interest rate, respectively. Thus, equation 1 is expanded as follows:
NPMi,t = α + β1CSRi,t + β2SIZEi,t + β3LEVi,t + β4INTRi,t + ε (2)
ROTAi,t = α + β1CSRi,t + β2SIZEi,t + β3LEVi,t + β4INTRi,t + ε (3)
ROEi,t = α + β1CSRi,t + β2SIZEi,t + β3LEVi,t + β4INTRi,t + ε (4)
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ABSRACT - [ Total Page(s): 1 ]ABSTRACTAlthough an enormous body of literature has emerged concerning the nexus between corporate social responsibility and profitability, actual empirical research designed to test the multitude of definitions, propositions, concepts and theories that have been advanced has produced mix results. In addition, much of the research done in the area has been incomplete and simplistic in methodology and epistemology. Many of the methodological quagmires in studying the nexus between corporate socia ... Continue reading---
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ABSRACT - [ Total Page(s): 1 ]ABSTRACTAlthough an enormous body of literature has emerged concerning the nexus between corporate social responsibility and profitability, actual empirical research designed to test the multitude of definitions, propositions, concepts and theories that have been advanced has produced mix results. In addition, much of the research done in the area has been incomplete and simplistic in methodology and epistemology. Many of the methodological quagmires in studying the nexus between corporate socia ... Continue reading---