CN115310859A - Urban carbon emission benefit evaluation method - Google Patents
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Abstract
The invention relates to the technical field of carbon emission data analysis, and provides a method for evaluating urban carbon emission benefits. The method comprises the following steps: extracting comprehensive benefit evaluation indexes of the operation of each carbon emission transaction from four dimensions based on the current situation of the operation of each province carbon emission transaction; carrying out standardization processing on the characteristics to obtain a comprehensive benefit evaluation index of the standardized carbon emission transaction operation; processing by an entropy weight method to obtain the weight of the comprehensive benefit evaluation index of each standardized carbon emission trading operation; and (4) obtaining the comprehensive benefit evaluation effect of the carbon emission trading operation by combining the TOTPSIS evaluation method. The invention considers the carbon emission transaction cost, so that the final benefit result is more persuasive; the entropy weight method is adopted, so that the precision is higher and the objectivity is stronger; and a TOPSIS method is combined to obtain a more objective comprehensive benefit evaluation effect of carbon emission trading operation.
Description
Technical Field
The invention relates to the technical field of carbon emission data analysis, in particular to a method for evaluating urban carbon emission benefits.
Background
Since 2013, the carbon emission trading pilot work of each province is started, although a lot of experience is accumulated, the problems in various aspects such as total carbon quota control and distribution, trading subject incentive rules, a performance system, carbon emission accounting and accounting system, carbon financial innovation and the like are also exposed. Directly limits the establishment and implementation of the unified carbon market.
At present, through the provincial execution situation of each trial carbon emission trading operation, the existing method cannot make up for the situation that the operating benefit factor of the carbon emission trading market is simply avoided from the macroscopic level, cannot perfect the policy matching mechanism of the carbon emission trading market, and cannot enlarge the coverage range of the carbon emission trading market and optimize the carbon emission trading market.
Disclosure of Invention
In view of the above, the invention provides an urban carbon emission benefit evaluation method to solve the problems that the policy matching mechanism of the carbon emission trading market cannot be perfected, the coverage of the carbon emission trading market cannot be expanded, and the carbon emission trading market cannot be optimized in the prior art.
The invention provides a method for evaluating urban carbon emission benefits, which comprises the following steps:
s1, extracting comprehensive benefit evaluation indexes of carbon emission trading operation from four dimensions of administrative benefits, basic condition benefits, market operation benefits and external supervision benefits based on the current carbon emission trading operation situation of each province;
s2, respectively carrying out standardization processing on the characteristics based on the comprehensive benefit evaluation indexes of the operation of each carbon emission transaction according to index classification to obtain the comprehensive benefit evaluation indexes of the operation of the standardized carbon emission transaction;
s3, processing the comprehensive benefit evaluation indexes of the standardized carbon emission trading operation by using an entropy weight method to obtain the weight of each comprehensive benefit evaluation index of the standardized carbon emission trading operation;
and S4, obtaining the comprehensive benefit evaluation effect of the carbon emission trading operation by combining a TOTPSIS evaluation method based on the weight of the standardized carbon emission trading operation comprehensive benefit evaluation index.
Further, in the step S1, the first step,
the policy environmental benefit comprises three evaluation indexes: national carbon emission policy documents, laws and regulations and carbon emission market trading systems;
the basic condition benefit comprises three evaluation indexes: a carbon market participant, a carbon market trading cost, and a carbon market allocation rule;
the market operating benefit comprises six evaluation indexes: the total amount of the initial carbon emission quota, the carbon emission control coverage rate, the stability of the carbon trading price, the trading activity, the participation degree of the carbon market and the tightness of the carbon emission quota;
the external supervision benefit includes three evaluation indicators: carbon emission checking mechanism number, carbon emission control threshold and carbon emission control target.
Further, the S2 index classification comprises a benefit index and a cost index,
the characteristics are standardized according to the benefit type indexes as follows:
wherein x is ij And n is the total number of the benefit evaluation indexes.
The characteristics are standardized according to the cost index as follows:
further, the S3 includes:
s31, calculating the proportion of the j-th carbon emission trading operation comprehensive benefit evaluation index to the sum of all the i-th carbon emission trading operation comprehensive benefit evaluation indexes in the i-th carbon emission trading operation comprehensive benefit evaluation index;
s32, calculating an entropy value of a comprehensive benefit evaluation index of the operation of the jth carbon emission transaction based on the proportion;
s33, calculating a variation coefficient based on the entropy value of the j-th carbon emission trading operation comprehensive benefit evaluation index;
and S34, calculating the weight of the comprehensive benefit evaluation index of each standardized carbon emission trading operation based on the variation coefficient.
Further, in S34, the weight of the normalized carbon emission trading operation comprehensive benefit evaluation index is calculated according to the following formula:
wherein, W j Weight representing the overall benefit evaluation index for each standardized carbon emission trading operation, G j The coefficient of variation is indicated.
Further, the S4 includes:
s41, calculating a weighted evaluation matrix according to the weight of the entropy method based on the weight of the comprehensive benefit evaluation index of each standardized carbon emission transaction operation;
s42, calculating the closeness between the comprehensive benefit evaluation index of each carbon emission transaction operation and an ideal solution by combining a TOPSIS method based on the weighted evaluation matrix, wherein the ideal solution comprises a positive ideal solution and a negative ideal solution;
and S43, evaluating each benefit evaluation object of the carbon emission trading operation based on the closeness between each carbon emission trading operation comprehensive benefit evaluation index and the ideal solution to obtain a carbon emission trading operation comprehensive benefit evaluation effect.
Further, the S42 includes:
s421, determining positive ideal solutions and negative ideal solutions of all the benefit evaluation objects operated by all the carbon emission transactions based on the weighted evaluation matrix;
s422, calculating the distance between each benefit evaluation object operated by all the carbon emission trades and the positive ideal solution and the negative ideal solution;
and S423, calculating the closeness between the comprehensive benefit evaluation index of the operation of each carbon emission transaction and the ideal solution based on the distance between the operation of each benefit evaluation object of all the carbon emission transactions and the positive ideal solution and the negative ideal solution.
Further, after the S423, the method further includes:
s424: and sequencing the paste progress.
Further, in S423, the pasting degree is calculated according to the following formula:
further, the expression of the comprehensive benefit evaluation effect of the carbon emission trading operation is as follows:
wherein A represents the evaluation effect of carbon efficiency in a certain area, and A 1 ，A 2 ，A 3 ，A 4 And respectively representing each benefit evaluation object of the carbon emission trading operation.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the carbon emission transaction cost is taken into consideration in the increase of the comprehensive benefit evaluation index of each carbon emission transaction operation, and a substantial foundation is laid for obtaining the objective comprehensive benefit evaluation effect of the carbon emission transaction operation;
2. the method adopts an entropy weight method to calculate the weight of each standardized carbon emission transaction operation comprehensive benefit evaluation index, provides objective basis for multi-index comprehensive evaluation, and has higher precision and stronger objectivity compared with subjective evaluation methods;
3. according to the invention, by combining the TOPSIS method, all index values of the obtained optimal solution reach the optimal values of all carbon emission transaction operation comprehensive benefit evaluation indexes, and a more objective carbon emission transaction operation comprehensive benefit evaluation effect is obtained.
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In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the embodiment or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a flow chart of a city carbon emission benefit evaluation method provided by the invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
Fig. 1 provided by the present invention is a method for evaluating urban carbon emission benefits provided by the present invention.
Fig. 1 is a flow chart of an urban carbon emission benefit evaluation method provided by the invention, and fig. 1 is a flow chart.
As shown in fig. 1, the method for evaluating the urban carbon emission benefit includes:
s1, extracting comprehensive benefit evaluation indexes of carbon emission trading operation from four dimensions of administrative benefits, basic condition benefits, market operation benefits and external supervision benefits based on the current carbon emission trading operation situation of each province;
selecting four dimensions of policy environmental benefit, basic condition benefit, market operation benefit and external supervision benefit based on the current running situation of each trial point province carbon emission transaction, and extracting comprehensive benefit evaluation indexes of each carbon emission transaction running in each city based on the four dimensions;
the policy environmental benefit comprises three evaluation indexes: national carbon emission policy documents, laws and regulations and carbon emission market trading systems;
the basic condition benefit comprises three evaluation indexes: a carbon market participant, a carbon market trading cost, and a carbon market allocation rule;
based on the trial operation of the carbon trading market started in 2013, the trial operation of many years finds that the instability of the total amount of control enterprises and carbon quotation causes the great fluctuation of the carbon trading price, and the carbon trading cost directly influences the operation benefit of the carbon trading market.
Therefore, the invention increases a crucial benefit evaluation index, namely carbon market transaction cost.
The market operating benefit comprises six evaluation indexes: the total amount of the initial carbon emission quota, the carbon emission control coverage rate, the stability of the carbon trading price, the trading activity, the participation degree of the carbon market and the tightness of the carbon emission quota;
the external supervision benefit includes three evaluation indicators: carbon emission checking mechanism number, carbon emission control threshold and carbon emission control target.
S2, based on the comprehensive benefit evaluation indexes of the carbon emission transaction operation, classifying according to indexes, and respectively carrying out standardization processing on the characteristics to obtain the comprehensive benefit evaluation indexes of the standardized carbon emission transaction operation;
as the measurement units of the comprehensive benefit evaluation indexes of the operation of the carbon emission transactions are not uniform, before the benefit evaluation, the characteristics are respectively standardized according to the classification of the indexes.
The index classification in S2 comprises benefit type indexes and cost type indexes,
the characteristics are standardized according to the benefit type indexes as follows:
wherein x is ij Indicates the evaluation index, and n is the total number of the evaluation indexes.
The characteristics are standardized according to the cost index as follows:
s3, processing the comprehensive benefit evaluation indexes of the standardized carbon emission trading operation by using an entropy weight method to obtain the weight of each comprehensive benefit evaluation index of the standardized carbon emission trading operation;
s31, calculating the proportion of the j-th benefit evaluation index of each benefit evaluation object in the ith carbon emission trading operation to the sum of the j-th comprehensive benefit evaluation indexes in all the benefit evaluation objects;
wherein, P ij And the comprehensive benefit evaluation indexes of the jth carbon emission trading operation in the ith carbon emission trading operation are expressed in proportion to the sum of the comprehensive benefit evaluation indexes of all the jth carbon emission trading operations.
S32, calculating an entropy value of a j-th carbon emission trading operation comprehensive benefit evaluation index based on the proportion;
wherein E is j Entropy value, P, of comprehensive benefit evaluation index of jth carbon emission trading operation ij And k is a constant, and represents the proportion of the j-th carbon emission trading operation comprehensive benefit evaluation index to the sum of all the i-th carbon emission trading operation comprehensive benefit evaluation indexes in the i-th carbon emission trading operation comprehensive benefit evaluation index.
S33, operating the entropy value of the comprehensive benefit evaluation index based on the jth carbon emission trading,
calculating a coefficient of variation;
Gj＝1-Ej
wherein G is j The coefficient of variation is indicated.
And S34, calculating the weight of the comprehensive benefit evaluation index of each standardized carbon emission trading operation based on the variation coefficient.
In S34, the weight of the comprehensive benefit evaluation index of the standardized carbon emission trading operation is calculated according to the following formula:
wherein, W j Weight representing the overall benefit evaluation index for each standardized carbon emission trading operation, G j The coefficient of variation is indicated.
And S4, obtaining the comprehensive benefit evaluation effect of the carbon emission trading operation by combining a TOTPSIS evaluation method based on the weight of the standardized carbon emission trading operation comprehensive benefit evaluation index.
S41, calculating a weighted evaluation matrix according to the weight of an entropy method based on the weight of the comprehensive benefit evaluation index of each standardized carbon emission transaction operation;
C ij ＝W j ×nx ij
wherein, C ij Representing a weighted evaluation matrix.
S42, calculating the closeness between the comprehensive benefit evaluation index of each carbon emission transaction operation and an ideal solution by combining a TOPSIS method based on the weighted evaluation matrix, wherein the ideal solution comprises a positive ideal solution and a negative ideal solution;
among them, the TOPSIS (Technique for Order Preference by Similarity to an Ideal Solution) method is a method of ranking according to the closeness of a limited number of evaluation objects to an Ideal object, is an objective evaluation method of evaluating relative merits in existing objects, and is a method of evaluating relative merits in the existing objects.
The TOPSIS method firstly finds out positive and negative ideal solution values (A + and A-) of comprehensive benefit evaluation indexes of each carbon emission transaction operation, then calculates distance values D + and D-' of each benefit evaluation object of each carbon emission transaction operation and the positive and negative ideal solutions respectively,
the S42 comprises:
s421, determining positive ideal solutions and negative ideal solutions of all the benefit evaluation objects operated by all the carbon emission transactions based on the weighted evaluation matrix;
wherein the content of the first and second substances,
s422, calculating the distance between each benefit evaluation object operated by all the carbon emission trades and the positive ideal solution and the negative ideal solution;
all carbon emission trading operation benefit evaluation object C i And to understand C + The following formula:
wherein D is i + Representing all carbon emission trade operation benefit evaluation objects c i And the positive thinking of c + The distance between them.
All carbon emission trading operation benefit evaluation object C i And negative ideal solution C - The following formula:
wherein D is i - Representing all carbon emission trade operation benefit evaluation objects c i And negative ideal solution c - The distance between them.
And S423, calculating the closeness between the comprehensive benefit evaluation index of the operation of each carbon emission transaction and the ideal solution based on the distance between the operation of each benefit evaluation object of all the carbon emission transactions and the positive ideal solution and the negative ideal solution.
Wherein, f i And representing the closeness between the comprehensive benefit evaluation index of each carbon emission transaction operation and the ideal solution.
Based on the weight of the comprehensive benefit evaluation index of the standardized carbon emission trading operation, determining a weight vector W = [ W ] of the comprehensive benefit evaluation index of each standardized carbon emission trading operation by using an entropy weight method 1 ,W 2 ,...,W n ] T And evaluating the operation benefit condition of the carbon emission transaction by combining a TOTPSIS evaluation method.
After the step S423, the method includes:
and sequencing the paste progress.
Wherein, the larger the serial number is, the closer each benefit evaluation object of the carbon emission trading operation is to the positive ideal solution, and the better the comprehensive benefit evaluation effect of the carbon emission trading operation is obtained.
In S423, the posting progress is calculated according to the following formula:
according to f i The values are sorted, wherein f is more than or equal to 0 i ≤1，f i The larger the result is, the closer each benefit evaluation object of the carbon emission trading operation is to a positive ideal solution; f. of i The smaller the carbon emissions trading, the worse the carbon emissions trading operation for each benefit evaluation object.
And S43, evaluating each benefit evaluation object of the carbon emission trading operation based on the closeness between each carbon emission trading operation comprehensive benefit evaluation index and the ideal solution to obtain the carbon emission trading operation comprehensive benefit evaluation effect.
The comprehensive benefit evaluation index system for each carbon emission trading operation has 4 carbon emission trading operation benefit evaluation objects, namely A = { A = { (A) 1 ，A 2 ，A 3 ，A 4 N benefit evaluation indexes X are provided for each benefit evaluation index 1 ,X 2 ,...,X n Measuring the comprehensive benefit evaluation index of each carbon emission transaction operation, and expressing the measurement result as the following characteristic matrix:
the expression of the comprehensive benefit evaluation effect of the carbon emission trading operation is as follows:
wherein A represents the evaluation effect of carbon efficiency in a certain area, and A 1 ，A 2 ，A 3 ，A 4 And respectively representing each benefit evaluation object of the carbon emission trading operation.
Example 1
By adopting the method, the comprehensive benefit evaluation index data information of the related carbon emission trading operation of enterprises participating in Guangzhou 10 carbon emission in the test point city is obtained through investigation and is shown in the table 1:
TABLE 1 information on evaluation index data
Entropy weight weighting results for the trial urban Guangzhou 10 carbon emission participating enterprises are obtained as shown in Table 2.
TABLE 2 entropy weight summary table
The TOPSIS method evaluation results of the participating enterprises with 10 carbon emissions in Guangzhou in the test city are obtained and are shown in Table 3.
TABLE 3 TOPSIS evaluation result table
As can be seen from table 3, TOPSIS analysis is performed on data (algorithm is automatically completed) generated by weighting after the entropy weight method, TOPSIS evaluation is performed for 4 dimensions (policy environment, basic conditions, market operations, and external supervision), and 10 dimensions (the number of sample numbers is the number of evaluation objects) are simultaneously performed; it can be seen that the carbon emitting enterprise 8 has the best operational benefit.
Through the positive and negative ideal solutions, it can be seen which benefit index has the greatest influence on the solution, see table 4.
TABLE 4 Positive and negative ideal solutions
As can be seen from table 4, market operations have the greatest impact on the operating benefits of test point municipal carbon emissions.
All the above optional technical solutions may be combined arbitrarily to form optional embodiments of the present application, and are not described herein again.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. The urban carbon emission benefit evaluation method is characterized by comprising the following steps:
s1, extracting comprehensive benefit evaluation indexes of carbon emission trading operation from four dimensions of administrative benefits, basic condition benefits, market operation benefits and external supervision benefits based on the current carbon emission trading operation situation of each province;
s2, based on the comprehensive benefit evaluation indexes of the carbon emission transaction operation, classifying according to indexes, and respectively carrying out standardization processing on the characteristics to obtain the comprehensive benefit evaluation indexes of the standardized carbon emission transaction operation;
s3, processing the comprehensive benefit evaluation indexes of the standardized carbon emission trading operation by using an entropy weight method to obtain the weight of each comprehensive benefit evaluation index of the standardized carbon emission trading operation;
and S4, obtaining the comprehensive benefit evaluation effect of the carbon emission trading operation by combining a TOTPSIS evaluation method based on the weight of the standardized carbon emission trading operation comprehensive benefit evaluation index.
2. The urban carbon emission benefit evaluation method according to claim 1, wherein in S1,
the policy environmental benefit comprises three evaluation indexes: national carbon emission policy documents, laws and regulations and carbon emission market trading systems;
the basic condition benefit comprises three evaluation indexes: a carbon market participant, a carbon market trading cost, and a carbon market allocation rule;
the market operating benefit comprises six evaluation indexes: the total amount of the initial carbon emission quota, the carbon emission control coverage rate, the stability of the carbon trading price, the trading activity, the participation degree of the carbon market and the tightness of the carbon emission quota;
the external supervision benefit includes three evaluation indicators: carbon emission checking mechanism number, carbon emission control threshold and carbon emission control target.
3. The urban carbon emission benefit evaluation method according to claim 1, wherein the S2 middle indicator classification includes a benefit indicator and a cost indicator,
the characteristics are standardized according to the benefit type indexes as follows:
wherein x is ij Representing evaluation indexes, wherein n is the total number of the benefit evaluation indexes;
the characteristics are standardized according to the cost-type indexes as follows:
4. the urban carbon emission benefit evaluation method according to claim 1, wherein the S3 comprises:
s31, calculating the proportion of the j-th carbon emission trading operation comprehensive benefit evaluation index to the sum of all the i-th carbon emission trading operation comprehensive benefit evaluation indexes in the i-th carbon emission trading operation comprehensive benefit evaluation index;
s32, calculating an entropy value of a comprehensive benefit evaluation index of the operation of the jth carbon emission transaction based on the proportion;
s33, calculating a variation coefficient based on the entropy value of the comprehensive benefit evaluation index of the j-th carbon emission trading operation;
and S34, calculating the weight of the comprehensive benefit evaluation index of each standardized carbon emission trading operation based on the variation coefficient.
5. The urban carbon emission benefit evaluation method according to claim 4, wherein in step S34, the weight of the normalized carbon emission trading operation comprehensive benefit evaluation index is calculated according to the following formula:
wherein, W j Weight representing the overall benefit evaluation index for each standardized carbon emission trading operation, G j The coefficient of variation is indicated.
6. The urban carbon emission benefit evaluation method according to claim 1, wherein the S4 comprises:
s41, calculating a weighted evaluation matrix according to the weight of the entropy method based on the weight of the comprehensive benefit evaluation index of each standardized carbon emission transaction operation;
s42, calculating the closeness between the comprehensive benefit evaluation index of each carbon emission transaction operation and an ideal solution by combining a TOPSIS method based on the weighted evaluation matrix, wherein the ideal solution comprises a positive ideal solution and a negative ideal solution;
and S43, evaluating each benefit evaluation object of the carbon emission trading operation based on the closeness between each carbon emission trading operation comprehensive benefit evaluation index and the ideal solution to obtain a carbon emission trading operation comprehensive benefit evaluation effect.
7. The urban carbon emission benefit evaluation method according to claim 6, wherein the S42 comprises:
s421, determining positive ideal solutions and negative ideal solutions of all the benefit evaluation objects operated by all the carbon emission trades based on the weighted evaluation matrix;
s422, calculating the distance between each benefit evaluation object operated by all carbon emission trades and a positive ideal solution and a negative ideal solution;
and S423, calculating the closeness between the comprehensive benefit evaluation index of the operation of each carbon emission transaction and the ideal solution based on the distance between the operation of each benefit evaluation object of all the carbon emission transactions and the positive ideal solution and the negative ideal solution.
8. The urban carbon emission benefit evaluation method according to claim 7, further comprising, after the step S423:
s424: and sequencing the paste progress.
9. The urban carbon emission benefit evaluation method according to claim 7, wherein in S423, the posting progress is calculated according to the following formula:
10. the urban carbon emission benefit evaluation method according to claim 1, wherein the expression of the carbon emission trading operation comprehensive benefit evaluation effect is as follows:
wherein A represents the evaluation effect of carbon efficiency in a certain area, and A 1 ，A 2 ，A 3 ，A 4 And respectively representing each benefit evaluation object of the carbon emission trading operation.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116167659A (en) * | 2023-02-16 | 2023-05-26 | 北京理工大学 | Carbon market carbon emission data quality evaluation method |
| CN116757873A (en) * | 2023-07-12 | 2023-09-15 | 南方电网能源发展研究院有限责任公司 | Carbon market effectiveness evaluation method, device and medium based on entropy calculation |
| CN117235410A (en) * | 2023-09-07 | 2023-12-15 | 兰州交通大学 | Benefit evaluation system and method for full life cycle of combined LID facility |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116167659A (en) * | 2023-02-16 | 2023-05-26 | 北京理工大学 | Carbon market carbon emission data quality evaluation method |
| CN116167659B (en) * | 2023-02-16 | 2023-12-01 | 北京理工大学 | Carbon market carbon emission data quality evaluation method |
| CN116757873A (en) * | 2023-07-12 | 2023-09-15 | 南方电网能源发展研究院有限责任公司 | Carbon market effectiveness evaluation method, device and medium based on entropy calculation |
| CN117235410A (en) * | 2023-09-07 | 2023-12-15 | 兰州交通大学 | Benefit evaluation system and method for full life cycle of combined LID facility |
| CN117235410B (en) * | 2023-09-07 | 2024-03-19 | 兰州交通大学 | Benefit evaluation system and method for full life cycle of combined LID facility |
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