ABSTRACT

In order to evaluate the enterprise social responsibility scientifically, this paper constructed an enterprise social responsibility evaluation indexes system composed by five first class indexes (environmental protection, resources utilization, economic benefit, human resources and social contribution and so on) and 18 second indexes. The two-step fuzzy evaluation method was adopted to evaluate comprehensive effect and Wuhan Iron and Steel (Group) Corporation (WISCO) was given for example.

1. Introduction

The “Two-oriented society” construction plan was put forward by the National Development and Reform Commission in December of 2007, and “Wuhan city circle” and “Changsha-Zhuzhou-Xiangtan city cluster” were conducted as the reform testing districts. It is of great significance to propel the sustainable development of city cluster as well as the solution of problem accompanying urbanization in the areas of resource and energy, ecological environment, and economic development model.

The “Two-oriented society” construction demands that the enterprise should utilize the limited resources reasonably, efficiently and circularly, at the same time corresponding environmental protection measures should be made to reduce the discharge of wastes pollution, to minimize the damage to the environment and to achieve harmonious coexistence of natural environment and economical society. The essence is that the enterprise should undertake social responsibilities more actively [1]. So, it is significance to scientifically evaluate the social responsibility fulfillment of enterprise.

Nowadays, the social responsibility standards have a broad impact on the society, which include of SA8000 social responsibility standard, the Dow Jones Sustainability Indexes (DJSI), G3 international sustainable development report guide and so on [2]. In our country, the famous ones are the social responsibility standard system of Chinese enterprise (HM3000), the top 100 enterprises social responsibility development indexes issued by the academy Chinese Academy of Social Sciences and the golden bee enterprise social responsibility list [3]. However, all these evaluation systems do not set meticulous regulations to environment and resources responsibility, and the enterprise’ qualitative evaluation basis can only be obtained from its incomplete information disclosure, which will induce the fulfillment of enterprise social responsibility can’t be measured effectively. This paper mainly focuses on constructing the enterprise social responsibility evaluation indexes system based on “Twooriented society” by analyzing of the stakeholder theory, HM3000 and SA8000. The two-step fuzzy evaluation method is adopted to evaluate the fulfillment of enterprise social responsibility.

2. The Construction of the Enterprise Social Responsibility Evaluation Indexes System Based on “Two-Oriented Society”

In order to synthetically, comprehensively evaluate the fulfillment of enterprise social responsibility based on “Two-oriented society”, resources and environment social responsibility are linked up with economic and social one of enterprise, in accordance with the scientific principle, systematic one, close to “Two-oriented society” one, quantitative one, independence one and comparable one. It will construct the enterprise social responsibility indexes system at two levels. According to the suggestions of eight university professors, six enterprise executives and six experts of government environmental protection department, combined with enterprise business characteristics, the first class indexes include five aspects, such as environmental protection, resources utilization, economic benefit, human resources and social contribution. And the second class indexes consist of 18 ones, such as harmful gas emissions per ten thousand yuan RMB operating income (see Table 1).

3. Two-Step Fuzzy Evaluation Method of Enterprise Social Responsibility

This paper will use the modified analytic hierarchy process (MAHP) to calculate the index weight after the enterprise social responsibility evaluation indexes system has been established. Then, the composite score of enterprise social responsibility was calculated using two-step fuzzy evaluation method.

3.1. Calculating Index Weight Based on the Modified Analytic Hierarchy Process

After enterprise social responsibility evaluation indexes system was determined, it needs to calculate the weight of each index. There are many methods to ascertain the weight, of which analytic hierarchy process is an important one. Analytic hierarchy process is an evaluating method combined qualitative with quantitative analysis, which was put forward in the 1970’s by A. L. Saaty [4]. This method decomposes the complex problem into several levels and several factors. Then, it will compare and calculate the factors simply to draw their weights and get the evaluation result. But this method has the defect in texting non consistency judgment matrix, for it needs artificial estimate adjustment and carrying on the multiple times if necessary.

In order to overcome this problem, a modified method of analytical hierarchy process is adopted. Its main characteristics are to introduce the quasi-optimal matrix, which can meet the consistency naturally and doesn’t

Table 1. Enterprise social responsibility evaluation indexes system.

need consistent test [5,6]. The process of the modified analytic hierarchy process is as follows:

Firstly, it will construct judgment matrix, the method is the same of the one of analytic hierarchy process. Let the judgment matrix be A, then, A can be represented as in (1).

(1)

Secondly, it will calculate the anti-symmetric matrix of judgment matrix A, and let it be L, it can be obtained by (2).

(2)

Thirdly, it will construct quasi-optimal matrix of this judgment matrix A, let it be M, it can be shown as in (3).

(3)

The end, it will calculate eigenvector of M by square root method. Let the eigenvector be W. And the component of W (let to be W_i) is the weight of corresponding index, it can be gotten by (4).

(4)

3.2. Two-Step Fuzzy Evaluation Method

Fuzzy evaluation method is a decision-making one for some objective under fuzzy environment, which considers the influence of many factors and can solve the problem of indexes system better. It can reduce the influence of the artificial factor to the smallest extent, and has the advantage over reflecting the nature of problem. The enterprise social responsibility evaluation indexes system is divided into three levels in this paper based on “Twooriented society”, so, two-step fuzzy evaluation method was adopted.

3.2.1. Elements

1) Factors set

The factor set of enterprise social responsibility evaluation indexes system consists of the first class indexes set and the second class indexes set, as are showed in Table 1. The first class indexes set is B = (B₁, B₂, B₃, B₄, B₅), and B₁, B₂, B₃, B₄, B₅ represent five first class indexes in the Table 1. B_i = (B_i1, B_i2,∙∙∙, B_im), i = 1, 2,∙∙∙, 5. B_i1, B_i2,∙∙∙, B_im are the second indexes corresponding with the first class index B_i, which can also be seen in Table 1.

2) Weight set

The weight set of enterprise social responsibility evaluation indexes system includes the first class indexes weight set (let be W_B) and the second class indexes weight set (let be W_i = (i = 1, 2,∙∙∙, 5)). Let W_B = (w_B1, w_B2, ∙∙∙, w_B5), W_i = (w_i1, w_i2,∙∙∙, w_im). W_B and W_i are both determined by modified analytic hierarchy process.

3) Comment set

Let to be a comment set, which stands by five grades, such as excellent, good, medium, poor and very poor.

3.2.2. Fuzzy Relation from Membership Matrix to Comment Set

Membership matrix R is constructed to determine the fuzzy relation from B to V., and R_i is shown as in (5).

(5)

In the equation, is the membership matrix of the first class index, and m is its index number, while represent the membership degree of grade corresponding its second index. The value of is divided into positive index (the bigger, the better) and reverse index (the smaller, the better) according to its property. They are calculated as follows:

1) The calculation of membership degree of positive index

Positive indexes are ranked in the order from big to small, the bigger the index value, the better the membership, which indicates the enterprise complete well. The calculation of membership degree of positive index is as follows:

Firstly, if the actual value of the second index is greater than its corresponding “excellent” grade standard value, then the membership to “excellent” is 1, and the ones to the other four is 0. That is, ifthen      

Secondly, if the actual value of the second index is between the grade and the one, that is, , then the membership to grade is shown as in (6).

(6)

The membership to the grade is shown as in (7).

(7)

The membership to other three grades is 0.

Thirdly, if the actual value of the second index is less than its corresponding “very poor” grade standard value, then the membership to “very poor” for is 1, and the ones to others are 0. That is, when,

2) The calculation of membership degree of reverse index

Reverse indexes are ranked in the order from small to big, the smaller the index value, the better the membership. The calculation of membership degree of reverse index is similar to positive ones.

3.3. Hierarchical Fuzzy Evaluation Method

The enterprise social responsibility indexes evaluation system based on “Two-oriented society” is divided into three layers, such as the target layer, the first class index layer and the second class one. So, it can be evaluated by two-step fuzzy evaluating method. The first step is the evaluation of second class index layer to the first class one, and the second step is the first class index layer to the target layer.

The fuzzy evaluation matrix of second class index layer to the first class one is

is shown as in (8).

(8)

The fuzzy evaluation of the first class index layer to the target layer is S, S can be obtained by (9).

(9)

In (2.9), is the comprehensive performance of the membership degree to the grade. If

normalization process will be necessary. Let the new matrix after normalization process is P = (P₁, P₂, P₃, P₄, P₅). P_i (i = 1, 2, 3, 4, 5) is shown as in (10).

(10)

According to the maximum membership degree principle, is chosen to refer as evaluation result of the first class index.

4. Case Study

In order to expound how to use the two-steps fuzzy synthesize evaluation method to estimate the enterprise social responsibility, an example is given. It will take Wuhan Iron and Steel (Group) Corp. (WISCO) for example.

4.1. Data Source

The data mainly come from the social responsibility report in 2008 and the annual report in 2007 of WISCO. The secondary indexes were calculated as Table 2.

4.2. The Evaluation Standard Value

The evaluation standard value for each second index is shown in Table 3 according to the published standards and the actual situation.

4.3. The Weights of Indexes System

By virtue of survey results of eight university professors, six enterprise executives and six experts of government environmental protection department, the judgment matrix of the first class indexes and the second class ones are shown as (11)-(16). A is the judgment matrix of the first class index B, , and A_i (i = 1, 2,∙∙∙, 5) is the judgment matrix of B_i, B_i = (B_i1, B_i2,∙∙∙, B_im).

(11)

(12)

(13)

(14)

(15)

(16)

Table 2. The actual value of social responsibility indexes of WISCO.

Table 3. The evaluation standard value of second indexes.

The weight sets of he first class indexes and the second class ones are obtained by modified analytic hierarchy process, which are shown as in (17) and (18).

(17)

(18)

4.4. The Results

Membership degrees to the second class indexes are calculated as shown in Table 4. And the evaluation result of first class indexes is shown in Table 5, according to the two-step fuzzy evaluation method.

1) The fulfillment of the second class indexes of WISCO

From Table 4, what can be seen that the fulfillment of the second class indexes of WISCO in 2008 was well. “Total expenditure accounts for the proportion of profits per year”, “Comprehensive energy consumption per ten thousand yuan RMB operating income”, “Recycle rate of industrial wastewater” and “Annual staff and workers’ training classes” are “excellence”. “COD emissions per ten thousand yuan RMB operating income” and “Recycle rate of industrial solid waste” are also very well. The fulfillment of “Wastewater emissions per ten thousand yuan RMB operating income”, “Capital value-retaining and value-increasing rate” and “Donation rate to society” are not good enough.

2) The fulfillment of the first class indexes

It can be seen from Table 5 that the fulfillment of “EnTable 4 The membership degree of the second class indexes.

Table 5. The evaluation result of the first class indexes.

vironmental protection” and “Resources utilization” are excellence, “Economic benefit” is poor, “Human resource” is medium and “Social contribution” is very poor for WISCO in 2008, according to the maximum membership degree principle.

In a word, this paper constructed a set of enterprise social responsibility evaluation indexes system based on “Two-oriented society”, which included of environmental protection, resources utilization, economic benefit, human resources and social contribution. And more second indexes were designed to reflect the characteristics of environmental protection and resources utilization, which can prominent the theme of “Two-oriented society”. In the part of case analysis, WISCO was taken for example, and two-step fuzzy evaluation method was used to evaluate the social responsibility performance of in 2008.

5. Acknowledgements

This research is supported by NSSF of China (Grant No. 09BJY015).

REFERENCES