本文讲的是统计学上盈利模式的分析，在这种理论背景下，如果现在分析这两种盈利模式，很明显，这两种模式遵循相同的行为。统计上有意义的变量是相同的;变量系数的符号也是一样的。因此，本质上它指出，这两种盈利能力的衡量方法表现出了相同的行为。注意，这两个模型不能进行比较，因为它们的误差项遵循不同的分布。但是，可以比较变量的行为。与精确估计相比，回归分析被广泛用于指出独立变量的因果关系和方向性。本篇论文代写价格文章由美国论文通AssignmentPass辅导网整理，供大家参考阅读。
With this theoretical background, if now the two profitability models be analysed, it is very clear that both the models follow the same behaviour. The variables that are statistically significant are same; the sign of the coefficients of the variables are also same. Hence, essentially it points out that both the measures of profitability exhibit same behaviour. Note that the two models cannot be compared because their error terms follow different distributions. However, the behaviour of the variables can be compared. The analysis of regression is widely used to point out the causality and the directionality of the independent variables as against using the exact estimates.
In that capacity, the comparison of directionality and causality is reasonable, but the comparison of magnitudes is not reasonable. From the above two models, it is evident that the concentration of the banks in the market plays a negative but statistically insignificant role in the determination of the profitability of the banks. Interestingly, in both the models, the coefficient of the variable is negative. Hence, it can be concluded from the model that the effect of market concentration on the banks is neither positive nor statistically significant. This effect has been observed in several of the recent researches conducted with the banks as the firms.
The model clearly points out that the variable of market share is significant. It affects both the ROE and ROA positively. This clearly implies that market share significantly affects the profitability of the bank. The market concentration plays no role in the determination of profitability, but the market share has a positive bearing it. This is in line with the findings of Smirlock (1985) who posited that when the variables account for the market share, the concentration of the firms in the market brings no new information in the model. Nevertheless, in the absence of concentration, market share bears a positive effect on the profitability of the firm.
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