scholarly journals Traceability Management Strategy of the EV Power Battery Based on the Blockchain

2021 ◽  
Vol 2021 ◽  
pp. 1-17
Author(s):  
Yanjin Cheng ◽  
Hao Hao ◽  
Shipeng Tao ◽  
Yanjun Zhou

Regulating and supervising the energy vehicle (EV) power battery recycling market, improving the utilization rate of EV power battery recycling, and guaranteeing the safety and control of all aspects of recycling treatment require the establishment of an effective traceability system. The decentralization and tamper-proof characteristics of the blockchain can ensure the safety and reliability of relevant data while realizing traceability management. This study establishes the Stackelberg game model to compare and analyze the effects of different government mechanisms on the profits of each subject before and after participating in power battery traceability management. The study further uses the model to explore strategies to improve the enthusiasm of EV power battery recycling subjects to participate in traceability management. The results show that (1) the participation of each recycling subject in EV power battery blockchain traceability can help move more spent power batteries into formal recycling channels; (2) the government should adopt appropriate mechanisms to promote its participation in EV power battery blockchain traceability, the best result being when the government adopts a subsidy mechanism for consumers; and (3) the profit of the EV power battery manufacturer is inversely proportional to the target recycling rate set by the government. Furthermore, the pursuit of a very high target recycling rate is not conducive to the normal implementation of initial EV power battery blockchain traceability management. Therefore, it is crucial for the government to set a reasonable target recycling rate.

2021 ◽  
Vol 13 (11) ◽  
pp. 6425
Author(s):  
Quanxi Li ◽  
Haowei Zhang ◽  
Kailing Liu

In closed-loop supply chains (CLSC), manufacturers, retailers, and recyclers perform their duties. Due to the asymmetry of information among enterprises, it is difficult for them to maximize efficiency and profits. To maximize the efficiency and profit of the CLSC, this study establishes five cooperation models of CLSC under the government‘s reward–penalty mechanism. We make decisions on wholesale prices, retail prices, transfer payment prices, and recovery rates relying on the Stackelberg game method and compare the optimal decisions. This paper analyzes the impact of the government reward-penalty mechanism on optimal decisions and how members in CLSC choose partners. We find that the government’s reward-penalty mechanism can effectively increase the recycling rate of used products and the total profit of the closed-loop supply chain. According to the calculation results of the models, under the government’s reward-penalty mechanism, the cooperation can improve the CLSC’s used products recycling capacity and profitability. In a supply chain, the more members participate in the cooperation, the higher profit the CLSC obtain. However, the cooperation mode of all members may lead to monopoly, which is not approved by government and customers.


2021 ◽  
Vol 13 (8) ◽  
pp. 4165
Author(s):  
Xichen Lyu ◽  
Yingying Xu ◽  
Dian Sun

Recycling and gradient utilization (GU) of new energy vehicle (NEV) power batteries plays a significant role in promoting the sustainable development of the economy, society and environment in the context of China’s NEV power battery retirement tide. In this paper, the battery recycling subjects and GU subjects were regarded as members in an alliance, and an evolutionary game model of competition and cooperation between the two types of subjects was established. Evolution conditions and paths of the stable cooperation modes between these two were explored. Suggestions were proposed to avoid entering a state of deadlock and promote the alliance to achieve the “win-win” cooperation mode of effective resource recovery and environmental sustainability. The results revealed four types of certain situations, two types of uncertain situations, and one type of deadlock situation for the evolution of alliance cooperation. The factors of the market environment are evident in not only changing the evolution paths and steady-states of the alliance but also in breaking the evolution deadlock. However, the sensitivity of the members in the alliance to different types of parameters varies greatly. It is difficult for the government to guide the formation of an ideal steady-state of cooperation or break the deadlock of evolution by a single strategy, such as subsidies or supervision. The combination of subsidy-and-supervision or phased regulation should be adopted. Only increasing subsidies is likely to weaken the function of the market and have a counterproductive effect.


2018 ◽  
Vol 10 (12) ◽  
pp. 4855 ◽  
Author(s):  
Yuan Shao ◽  
Xudong Deng ◽  
Qiankai Qing ◽  
Yajuan Wang

Motivated by the increasing environmental concerns about the used electric vehicle batteries in China, an electric vehicle manufacturer’s battery recycling strategy under government subsidy was studied. A consumer utility function was used to capture consumer environmental awareness associated with battery recycling and the game-theoretical approach was applied to analyze the interaction between the government and the manufacturer. It was found that, with an exogenous government subsidy, the manufacturer either recycles all the batteries, or it does not recycle any batteries if the impact of the recycling scale on costs is unremarkable; otherwise, the manufacturer recycles some used batteries when the benefit from recycling is moderate. Interestingly, an increased subsidy causes the manufacturer’s battery recycling rate to decrease if the subsidy is sufficiently large. When the government subsidy is endogenously, either full recycling, no recycling, or partial recycling can still arise. The optimal battery recycling rate and social welfare are lower in a non-cooperative game than in a cooperative game if the benefit from recycling is relatively low. The main findings were numerically justified with realistic subsidy data in China. The numerical results indicate: (1) the optimal battery recycling rate locates in a closed interval from 0 to 1 given an exogenous or an endogenous government subsidy, and it decreases with the subsidy when the subsidy is not less than 50% of the production cost of electric vehicle; (2) the social welfare first increases to a maximum value and then decreases as the subsidy increases; and (3) the optimal battery recycling rate increases significantly and the social welfare is improved when there is cooperation between the government and the manufacturer.


Author(s):  
Kai Liu ◽  
Chuanxu Wang

Abstract With the rapid development of new energy vehicles (NEVs), the recycling and reuse of retired power batteries has attracted extensive attention from the society and scholars. In this paper, we establish a closed-loop supply chain model composed of the government, one power battery supplier and one NEV manufacturer. Based on game theory, considering whether the battery supplier encroaches on the power battery recycling channel, we study the optimal decisions of the government and supply chain members under different government subsidy policies (no subsidy, subsidy for the NEV manufacturer and subsidy for consumers) and their impact on profits and social welfare. The results show that, whether the battery supplier encroaches on the recycling channel or not, compared with the no subsidy policy, subsidy for the NEV manufacturer is more conducive to the improvement of enterprise profits and social welfare. In addition, whether the battery collection quantity is constrained by the NEV sales quantity, when the recycling channel cost is lower than a certain threshold, the encroachment is always beneficial to the battery supplier. When the recycling channel cost is within a certain threshold range, the encroachment will achieve a win–win situation; otherwise, win–lose. When the recycling channel cost is higher than a certain threshold, the encroachment behavior has no impact on the NEV manufacturer and the battery supplier. Finally, we investigate the impact of key parameters on the enterprise profits and social welfare through numerical experiments. We also find that the environmental awareness of consumers have significant impacts on social welfare.


2017 ◽  
Vol 11 (2) ◽  
pp. 143-168
Author(s):  
Aditya Paramita Alhayat

Meskipun Indonesia telah mengenakan tindakan anti-dumping terhadap beberapa jenis produk baja, namun impor produk tersebut masih meningkat. Salah satu kemungkinan penyebabnya adalah importasi melalui produk yang dimodifikasi secara tidak substansial atau melalui negara ketiga yang tidak dikenakan tindakan anti-dumping, yang dalam perdagangan internasional umum disebut sebagai praktik circumvention. Studi ini ditujukan untuk membuktikan bahwa circumvention mengakibatkan tindakan anti-dumping atas impor produk baja Indonesia tidak efektif dan untuk memberikan masukan berdasarkan praktik di negara lain supaya kebijakan anti-dumping Indonesia lebih efektif. Circumvention dianalisis dengan membandingkan pola perdagangan antara sebelum dan setelah pengenaan bea masuk anti-dumping (BMAD) menggunakan data sekunder dari Badan Pusat Statistik (BPS) maupun Global Trade Information Services (GTIS). Hasil analisis menunjukkan adanya indikasi kuat bahwa circumvention mengkibatkan pengenaan tindakan anti-dumping impor produk baja di Indonesia menjadi tidak efektif. Oleh karena itu, sangat penting bagi Pemerintah Indonesia untuk segera melakukan penyempurnaan terhadap Peraturan Pemerintah No. 34/2011 tentang Tindakan Antidumping, Tindakan Imbalan, dan Tindakan Pengamanan Perdagangan dengan memasukkan klausul tindakan anti-circumvention yang setidaknya mencakup bentuk-bentuk dan prosedur tindakan, sebagaimana yang telah dilakukan beberapa negara seperti: AS, EU, Australia, dan India. Although Indonesia has imposed anti-dumping measures on several types of steel products, the import of steel products is still increasing. One possible cause is that imports are made by non-substantial modification of product or through a third country which is not subject to anti-dumping measures, which is generally referred as circumvention practice. This study is aimed to prove that circumvention made Indonesian anti-dumping actions on the steel products ineffective. This also study provides recommendation for a best practice for other countries so that Indonesia's anti-dumping policy can be more effective. Circumvention was analyzed by comparing trade patterns between before and after the imposition of anti-dumping duty using secondary data from the Central Bureau of Statistics (BPS) and the Global Trade Information Services (GTIS). The results of the analysis indicate that circumvention became the reason why Indonesian anti-dumping measures on imported steel products are ineffective. Therefore, it is very important for the Government of Indonesia to immediately make amendments to the Government Regulation No. 34/2011 on Antidumping, Countervailing, and Safeguard Measures by adopting clauses of anti-circumvention. This can be done bycovering the forms/types and procedures of action, as has been implemented by several countries such as the US, EU, Australia, and India.


2020 ◽  
Vol 30 (Supplement_5) ◽  
Author(s):  
T Vivas ◽  
M Duarte ◽  
A Pitta ◽  
B Christovam

Abstract Background The government investments in quality primary healthcare are the basis to strengthening the health systems and monitoring the public expenditure in this area is a way to assess the effectiveness and efficiency of the public health policies. The Brazil Ministry of Health changed, in 2017, the method of onlending federal resources to states and cities seeking to make the public funds management more flexible. This change, however, suppressed mandatory investments in primary healthcare. This research aims to determine the difference of expenditures on primary healthcare in Salvador, Bahia, Brazil metropolitan area before and after this funding reform, seeking to verify how it can impact the quality of primary healthcare services and programs. Methods This is an ecological time-series study that used data obtained in the Brazil Ministry of Health budget reports. The median and interquartile range of expenditures on primary healthcare (set as the percentage of total public health budget applied in primary care services and programs) of the 13 cities in the Salvador metropolitan area were compared two years before and after the reform. Results The median of expenditures on primary healthcare in Salvador metropolitan area was 25.5% (13,9% - 32,2%) of total public health budget before and 24.8% (20.8% - 30.0%) of total public health budget after the reform (-0.7% difference). Seven cities decreased the expenditures on primary healthcare after the reform, ranging from 1.2% to 10.8% reduction in the primary healthcare budget in five years. Conclusions Expenditures on primary healthcare in Salvador metropolitan area decreased after the 2017 funding reform. Seven of 13 cities reduced the government investments on primary healthcare services and programs in this scenario. Although the overall difference was -0.7%, the budget cuts ranged from 1.2% to 10.8% in the analyzed period and sample. More studies should assess these events in wide areas and with long time ranges. Key messages Public health funding models can impact the primary healthcare settings regardless of the health policy. Reforms in the funding models should consider the possible benefits before implementation. Funding models and methods that require mandatory investments in primary healthcare may be considered over more flexible ones.


Author(s):  
Youngjun Park ◽  
Haekwon Chung ◽  
Sohyun Park

Aim: This study explores the changes in regular walking activities during the phases of the pandemic. Background: With the spread of COVID-19 transmission, people are refraining from going out, reducing their physical activity. In South Korea, COVID-19 broke out in the 4th week of 2020 and experienced the first cycle phases of the pandemic, such as outbreak, widespread, and decline. In response to the pandemic, the government encouraged voluntary participation in social distancing campaigns, and people reduced their outside activities. Methods: This article examines the decrease and increase of the Prevalence of Regular Walking (≥30 min of moderate walking a day, on ≥5 days a week) by the COVID-19 phases. This study is based on weekly walking data for 15 weeks in 2020, via the smartphone healthcare app, which is managed by 25 public health offices of the Seoul government. Results: According to the findings, the level of prevalence of regular walking (PRW) has a significant difference before and after the outbreak, and every interval of the four-stage COVID-19 phases, that is, pre-pandemic, initiation, acceleration, and deceleration. The level of PRW sharply decreased during initiation and acceleration intervals. In the deceleration interval of COVID-19, the PRW kept increasing, but it has not yet reached the same level as the previous year when the COVID-19 did not exist. Conclusions: As a preliminary study, this study explains empirically how COVID-19 changed PRW in Seoul. It would be helpful to enhance our understanding of the changes in physical inactivity in the pandemic period.


2021 ◽  
Vol 13 (15) ◽  
pp. 8559
Author(s):  
Nhung Pham Thi ◽  
Martin Kappas ◽  
Heiko Faust

Agricultural land acquisition for urbanization (ALAFU) has strongly impacted agriculture in Vietnam during the last decades. Given the mixed data obtained from a survey with 50 households who lost 50% of their farmland area (in-depth interviews, a group-focused discussion and observation) this study shows the different impacts of ALAFU on each agricultural activity of affected household by comparing before and after ALAFU. Rice cultivation and animal breeding have sharply declined, but potted flower plantation (PFP) has quickly grown and is the main income of 34% of surveyed households. Rice cultivation has declined not only as a result of agricultural land acquisition, which has resulted in the loss of rice land, but also as a result of urbanization, which has resulted in rice land abandonment. Conversely, PFP is growing due to advantages associated with urbanization, such as a good consumer market and upgraded infrastructure. However, whether they are declining or increasing, all agricultural activities have to face challenges related to the shortcomings in agricultural land allocation and agricultural development plans. This study suggests that if ALAFU projects are continued, the government should evaluate agricultural development and forecast farmland abandonment after ALAFU. Simultaneously, they should put more effort into maintaining agriculture in the form of peri-urban or urban agriculture, which is significant for sustainable development in affected communities.


Author(s):  
Theresia Devi Indriasari ◽  
Kusworo Anindito ◽  
Eddy Julianto ◽  
Bertha Laroha Paraya Pangaribuan

<span>Indonesia is a country located on top of some tectonic plates that bring potential natural disasters. Disaster management system is considered essential in controlling the situation in the site both before and after the disaster takes place. In disaster situation, the government and society are involved in a volunteer team in order to help minimize victims and support survivors. However, the volunteering activities are often hindered since there are problems in the disaster site. One of the problems is late responses due to poor coordination among volunteers that drives the delay in disaster relief. Therefore, it is necessary to have an application that maps the positions of volunteers in a disaster site, so that the disaster management coordinator can disseminate volunteers to disaster areas based on needs. The purpose of the study is to propose an application called ‘MyMapVolunteers’ that effectively and efficiently detects the position of the volunteers in order to improve disaster management service. In this case, real time and location based service technology will able to detect the position of each volunteer. ‘MyMapVolunteers’ is composed of two platforms, which are mobile and web applications. Mobile platform is an application that uses GPS function provided by the smartphone to find the volunteers’ location coordinates and then send the data of the location automatically and manually. The web platform is used to receive volunteers’ location data and to present them in google map, therefore disaster management coordinator can monitor the positions of and search for volunteers faster.</span>


2019 ◽  
Vol 20 (5) ◽  
pp. 1282-1291
Author(s):  
Sanjay Dhamija ◽  
Ravinder Kumar Arora

The article examines the impact of regulatory changes in the tax on dividends on the payout policy of Indian companies. The tax law was recently amended to levy tax on dividends received by large shareholders. As the promoters group is the largest shareholder, this is expected to have a negative impact on the payout policy of companies. Furthermore, companies with larger promoter holdings have a higher motivation to reduce their payout. The study covers 370 companies present in the BSE 500 Index and compares the dividend payout of the companies before and after the introduction of tax levy. The study finds that the newly introduced tax indeed caused a shift in the dividend policy of companies, particularly those companies which have high levels of inside ownership. The findings have significant implications for companies, investors and the government.


Sign in / Sign up

Export Citation Format

Share Document