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The objective of this study is to investigate the impact of longitudinal forces on extreme-long heavy-haul trains, providing new insights and methods for their design and operation, thereby enhancing safety, operational efficiency and track system design.

A longitudinal dynamics simulation model of the super long heavy haul train was established and verified by the braking test data of 30,000 t heavy-haul combination train on the long and steep down grade of Daqing Line. The simulation model was used to analyze the influence of factors on the longitudinal force of super long heavy haul train.

Under normal conditions, the formation length of extreme-long heavy-haul combined train has a small effect on the maximum longitudinal coupler force under full service braking and emergency braking on the straight line. The slope difference of the long and steep down grade has a great impact on the maximum longitudinal coupler force of the extreme-long heavy-haul trains. Under the condition that the longitudinal force does not exceed the safety limit of 2,250 kN under full service braking at the speed of 60 km/h the maximum allowable slope difference of long and steep down grade for 40,000 t super long heavy-haul combined trains is 13‰, and that of 100,000 t is only 5‰.

The results will provide important theoretical basis and practical guidance for further improving the transportation efficiency and safety of extreme-long heavy-haul trains.

From 1979 to 2023, the takaful structure has been adopted in many jurisdictions, making the documenting of its early days of establishment relatively difficult and somewhat unreliable. This is unlike conventional insurance, where the history and legislation are well documented and archived in various research (Hellwege, 2016; Marano and Siri, 2017). The purpose of this paper is to provide a chronology for the establishment and development of takaful via the takaful establishment in each jurisdiction, documenting its first takaful operator and first takaful regulation.

This paper has used a qualitative method in the form of reviewing literature and available data such as journals, books and official resources. The data is thoroughly analysed in order to build the chronology for takaful. It adopted an exploratory research design, which is deemed suitable in situations where few works of literature have examined the subject (Neuman, 2014). The paper explores the establishment and non-establishment of takaful in 57 countries. The paper categorises the countries into seven regions starting with the GCC, Levant, Asia, Central Asia, Africa, Europe and Others.

The takaful chronology presented in this paper shows that takaful operations exist in 47 jurisdictions, starting from Sudan and the UAE in 1979, with the most recent adopters being Morocco and Iran in December 2021. It is found that 22 jurisdictions do not have takaful regulations, and the Takaful Act 1984, issued in Malaysia, is considered the first takaful regulation that sets the basis for other regulations that follow.

The paper contributes to the literature by providing a comprehensive chronology of takaful, especially as the few existing timelines have been found to be incomplete and consist of contradictory information.

Purpose – The purpose of this paper is to provide historical and current records about the state of Uqubat Hudud and/or Ta’zir against any person who performs gambling deeds that are in fact perceived to be ineffective in its implementation in Langsa City, as it still has not caused the maximum deterrent effect for the community in Kota Langsa. So there are always new actors to maisir action. Therefore, this research is to know the effectiveness of punishment for gamblers in Langsa City and to know the obstacle to punishment for gamblers in Langsa City.

Design/Methodology/Approach – The type of research used in this study is empirical research.

Findings – The findings of law enforcement research have not been effective in enforcing law enforcement against gambling. At the level of investigation and investigation conducted by the police is often that the case of gambling is not disclosed or unchecked and no further handling efforts were undertaken in order to enforce the law. While WH, which is a special sharia police handling cases of jinayat law violations in Aceh, also do not have or qualify as PPNS. Similarly, the case of gambling always continues to exist in the midst of society and does not cause deterrent effect for people in Langsa City Aceh Province, Indonesia. Obstacles in punishment for gamblers in Langsa City consists of two factors namely law enforcement factors and community factors.

Limitations of Research/Implications – This study highlights the problem of the effectiveness of the implementation of Qanun Jinayat in the punishment of gamblers in Aceh, especially Langsa City. Then the legal awareness of the community in Langsa City of Aceh Province is also seen.

Practical Implications – The solution offered enhances the professionalism of police investigators’ performance in Langsa City, provides human resources/Police Wilayatul Hisbah in Langsa City of Aceh Province as civil servant investigator, provides socialization of law on Qanun Jinayat to the people in Langsa City.

Originality/Value – Gambling case always continues to exist in the middle of society and does not cause a deterrent effect for people in Langsa City of Aceh Province Indonesia.

Wang has focused on the relationship between Das Kapital and the political economy in the broad sense. Numerous ideas covering the political economy in the broad sense are involved in the overall structure of Das Kapital, methodology of historical materialism and analyses of the historical fate of capitalist system. The paper aims to discuss these issues.

In broad outline, the Asiatic, ancient, feudal and modern bourgeois modes of production may be designated as epochs, marking progress in the economic development of society (Wang, 2007b). Historical materialism provides a new, scientific and objective explanation for understanding the dialectical development laws of society. It is crucial for constructing the theoretical system of a political economy in the broad sense. It could be said that it is the key to solving the puzzle of the historical course of social development.

Today, economic relations between the world’s top two economies have merged with each other. How can two countries with different systems trade with each other so well? These questions can no longer be answered with traditionally narrow political economic theory. The authors have to seek these answers from the perspective of a political economy in the broad sense.

Numerous ideas covering the political economy in the broad sense are involved in the overall structure of Das Kapital, methodology of historical materialism, and analyses of the historical fate of capitalist system.

The purpose of this paper is to examine how first-tier suppliers in multi-tier supply chains adapt their vertical and horizontal relationships to reduce the risk of slavery-like practices.

Using Archer’s morphogenetic theory as an analytical lens, this paper presents case analyses adduced from primary and secondary data related to the development of relational anti-slavery supply capabilities in Brazilian–UK beef and timber supply chains.

Four distinct types of adaptation were found among first-tier suppliers: horizontal systemisation, vertical systemisation, horizontal transformation and vertical differentiation.

This study draws attention to the socially situated nature of corporate action, moving beyond the rationalistic discourse that underpins existing research studies of multi-tier, socially sustainable, supply chain management. Cross-sector comparison highlights sub-country and intra-sectoral differences in both institutional setting and the approaches and outcomes of individual corporate actors’ initiatives. Sustainable supply chain management theorists would do well to seek out those institutional entrepreneurs who actively reshape the institutional conditions within which they find themselves situated.

Practitioners may benefit from adopting a structured approach to the analysis of the necessary or contingent complementarities between their, primarily economic, objectives and the social sustainability goals of other, potential, organizational partners.

A range of interventions that may serve to reduce the risk of slavery-like practices in global commodity chains are presented.

This paper presents a novel analysis of qualitative empirical data and extends understanding of the agential role played by first-tier suppliers in global, multi-tier, commodity, supply chains.

This paper aims to explore the factors leading to the phenomenon of child trafficking in Egypt, how deeply it runs through the Egyptian society and evaluate the state’s efforts to combat it.

This research paper uses a case study method applied to the phenomenon of child trafficking in the Arab Republic of Egypt, and how the State is fighting it. The general policy approach is also used to clarify the State’s plans, programs and legislation in addressing the phenomenon of child trafficking, evaluate those policies and analyze the international documents.

The research paper concluded that child trafficking in Egypt represents a serious phenomenon, which stems from social, economic and cultural reasons. Even though the Egyptian Government exerts relentless efforts to fight this crime, all attempts have proven insufficient due to the lack of coordination between the concerned parties and low funds, in addition to the feeble services offered to the victims.

This study sheds light on a very perilous phenomenon in the Egyptian society; an international one with intricate magnitudes, upon which the State must concentrate more and eradicate it.

The study contributes to drawing the attention of decision makers in Egypt to the dangers of this phenomenon, and to the points of strength and weaknesses of the government’s efforts against it.

There is a noticeable dearth of literature offering Marxist perspectives and analyses on the Bangsamoro struggles for self-determination, ethnic and religious identities and social justice. A reason for this may lie in the general derision of bourgeois academics and conventional commentators on the supposed paucity of Marxist theories on nationalism, ethnicity and religion. This may have influenced, ironically, Filipino Marxist thinkers into being indifferent to this research topic. Far from the truth, however, that Marxism is essentially an economic determinist social conflict theory, its historical materialism offers a rich treasury of analyses and perspectives on nationalism, self-determination, religion and ethnic identity within the context of class struggles as the acme of the theory of scientific socialism. The paper, therefore, offers a scientific analysis of the Bangsamoro Question from a Marxist standpoint beyond the perspectives of psychologism, naturalism and ethno-racialism, which are usually deployed by traditional and uninformed commentators in analyzing ethnicity questions and quests for separatism.

The paper employs the historical and class analysis of the dynamics, relationships and struggles of classes in the history of the Bangsamoro struggles against colonialism and the subsequent postcolonial regimes up to the present time.

As a scientific paradigm, historical materialism presents itself as a general scientific social conflict theory. Using this framework through historical and class analyses, the paper proves the improbability of the Moros’ quest for separatism or genuine autonomy at this historical point. It, therefore, asserts the linking of the Moro struggles to the more immense struggles of the Filipinos for national and social liberation from imperialism.

The paper is limited to the historical and class analyses of classes’ dynamics and struggles. It is, therefore, far from an exhaustive analysis of the Moro struggles using different non-Marxist social conflict theories.

The research can be considered a practical guide in analyzing and predicting the trajectories of the Moro struggles in Mindanao and Sulu.

The work addresses the question from radical and Marxist premises.

This is a highly original and valuable work from the point of view of Marxist social conflict theory.

The socialist construction with Chinese characteristics must be based on history and reality. According to the requirements of liberation and development of productivity, efforts must be made to reform and improve the production relations, as well as continually consolidate the socialist system with Chinese characteristics. The purpose of this paper is to prove the necessity and superiority of a socialist system through China’s modernization achievements.

Marxist political economics is a critical legacy from classical economics. Its core question is also social production and distribution, which is epitomized in the labor theory of value and the theory of surplus value.

Regarding the significant principles that must be followed, these speeches summarized the logical system and prominent features of the socialist political system in the new normal from several significant and interrelated aspects such as basic methods, core propositions, main tasks and fundamental goals.

The socialist system with Chinese characteristics will gradually appear through further research and prove its superiority. How can a socialist system with Chinese characteristics innovate and develop? Does the system have a future? Is there any historical necessity for the socialist system to replace the capitalist system in human history? These are the questions that need urgent answers and in-depth exploration.

Marx suggested that it is infeasible and wrong to arrange the economic categories according to the order by which they have worked in history. Their order is determined by their interrelationship in the modern bourgeois society, which is in contrast to their natural sequence or that which is in accordance with the course of history. Sometimes, a logical sequence is precisely opposite to the historical sequence. There are many efforts to be done in the study of China’s economic and social issues with Marxist logical and historical methods. The paper aims to discuss these issues.

When reading Das Kapital, we can clearly see the historical materialism methods. Another method of Marxist political economics is the scientific abstract method.

This is based on the new development idea to carry out scientific and technological innovation and change the focus of development from quantity to quality. With regard to the supply side structural reform as the main focus, people’s ever-growing demand for a better life can be satisfied and the higher level dynamic supply–demand balance can be kept.

In fact, measures to remedy unbalanced and inadequate development of the social principal contradiction have been plainly indicated in the report delivered at the 19th National Congress of the Communist Party of China. This is based on the new development idea to carry out scientific and technological innovation and change the focus of development from quantity to quality.

The purpose of this paper is to determine what factors may affect taxpayer (TP) compliance.

This research uses five independent variables such as income, TP’s perception on tax penalties, law and enforcement, fair tax treatment and the use of tax money in a transparent and accountable way. The dependent variable is the compliance of individual TPs non-employees. The data used are primary data obtained from questionnaires on KPP Surabaya Rungkut and processed using a multiple linear regression method with SPSS 21.0 Software for Windows.

The results show that partially income does not affect the compliance of individual TP non-employees; however, four other independent variables on the TP’s perception of penalties, law enforcement, tax treatment and the use of tax money simultaneously had a positive effect.

All independent variables had a positive effect on compliance by individual TP non-employees on KPP Surabaya Rungkut.