Miracle-dz/UniFAR-FTUs huggingface dataset:
Changes in Macroeconomic Conditions and Capital Return in Indonesia

Abstract. This study is focused on looking at conditions of macroeconomic changes that have an impact on the activity of the Islamic capital market, particularly on the return of Islamic stocks listed in the Jakarta Islamic Index. This empirical evidence is related to variable macroeconomic changes, namely changes in inflation, rupiah exchange rate, money supply, foreign exchange reserves, Indonesian Syariah Bank Certificates (SBIS) and interest rates on sharia stock returns for the period January 2014-December 2019 obtained from Financial publications. Service Authority (OJK) and Bank Indonesia. The analysis technique used is quantitative analysis using multiple regression analysis tools. Purpose. This study aims to examine the influence of changes in inflation, changes in the rupiah exchange rate, changes in the money supply, changes in SBIS, changes in foreign exchange reserves and changes in interest rates on the return of Indonesian Islamic stocks. Results. The results of this study are (1) Variable Changes in Inflation, Changes in the Amount of Money Supply, Changes in Foreign Exchange Reserves, Changes in SBIS have a positive and significant effect on Stock Returns listed on the Jakarta Islamic Index, (2) changes in exchange rates have a negative and significant effect on Stock Returns listed in Jakarta Islamic. Index, (3) the Interest Rate variable has no effect on Stock Returns listed on the Jakarta Islamic Index. Conclusion. The approach used by each variable starts with the conventional followed by the study of Islamic macroeconomics, in order to provide a philosophy of science and economics that refers to Baqir Sadr in the Iqtishaduna book. In this study, researchers examined macroeconomic variables on sharia stock returns to prioritize people’s welfare and pay close attention to every investment process based on sharia principles. Therefore the public, entrepreneurs, investors and company performance must pay attention to information regarding changes in inflation, changes in the rupiah exchange rate, changes in the money supply, changes in Bank Indonesia Sharia Certificates (SBIS), changes foreign exchange reserves, and changes in interest rates in order to minimize risks for both investors and entrepreneurs. This variable can affect the movement of the capital market so that the return on Islamic stocks also has an effect. Keywords: Stock Return; Inflation Change; Rupiah Exchange Rate; Change in Amount of Money Supply; Change in Bank Indonesia Sharia Certificate; Change in Foreign Exchange Reserves; and Change in Interest Rates.
Economic Efficiency Assessment of Using Wood Waste in Cogeneration Plants with Multi-Stage Gasification

The aim of this work is to assess the effectiveness of biomass gasification power plants in Russia (Irkutsk region) and compare them with other types of electricity and heat cogeneration systems. Biomass, which is waste from logging and wood processing, is considered as fuel for gasification plants. As a criterion, the cost of energy is used. Analytical relations are obtained for the cost of electric energy at a given cost of thermal energy and vice versa, thermal energy at a given cost of electric energy. These relationships are applied to assess the economic efficiency and compare small-power plants (up to 200–500 kW) such as mini-combined heat and power (CHP) on fuel chips and fuel pellets, coal-fired CHP and gas and liquid fuel power plants (gas-piston and diesel power plants). The latter are equipped with heat recovery boilers and supply consumers with heat and the electric power simultaneously. The calculation results show that the cost of electricity when using wood fuel is significantly less than the cost of electricity from a diesel power plant due to the use of cheaper fuel. In this regard, for autonomous energy systems of small power, especially near logging points, energy supply from biomass gasification power plants is a preferable solution than the use of diesel power plants. Wood fired energy cogeneration systems (mini-CHP) can also successfully compete with coal and gas power plants if they have cheap wood fuel at their location. With the introduction of carbon dioxide emissions charges, the use of not only wood chips, but also pellets becomes competitive in comparison with coal and gas.
ETHICAL PERCEPTIONS OF ENGINEERING STUDENTS ABOUT CHEATING AND PLAGIARISM

Academic dishonesty is an important issue in education that continues to be a worldwide problem in the academic field. This paper embodies the findings from a small part of a larger study on academic dishonesty. Its purpose was to investigate the frequency of cheating and plagiarism behaviours, reasons, attitudes towards cheating and plagiarism and to find out ways to prevent and reduce cheating and plagiarism. This study was conducted through a 5-point Likert scale questionnaire completed by 466 engineering students at the bachelor and master level at a university from Romania. The study indicates that cheating and plagiarism are sometimes common among students, while the need to increase attitudes so as to modify students' behaviours toward honest classroom practices has been identified. Students felt that passing exams was a strong reason for cheating and plagiarism. The study also proposes several recommendations to mitigate levels of academic misconduct.
Occupational stress in mainstream and special needs primary school teachers and its relationship with self-efficacy

ABSTRACT In recent years there has been intense interest in teachers’ occupational stress in the educational community. The aim of the present study was to investigate the relationship between occupational stress and self-efficacy among primary school teachers working in mainstream and special education schools. The sample consisted of 501 teachers (412 women and 89 men) working in schools mainly in Athens, Greece. The Occupational Stress Scale for teachers and the Teachers’ Sense of Efficacy Scale were administered to the teachers. The findings showed that the specific stress factors for teachers included government and school administration’s favouritism, time pressure and pupils’ character, pupils’ improvement, resources and equipment, as well as support from parents and society. Moreover, mainstream school teachers reported higher levels of stress and higher levels of self-efficacy in comparison to special educational needs teachers. Individual variables were also shown to have an effect of teachers’ stress and self-efficacy.
A Structural Economic Dynamics Approach to ‘Stagnationist’ Unbalanced Growth

ABSTRACT Our inquiry offers an analysis of ‘stagnationist’ unbalanced growth through making use of a Structural Economic Dynamic (SED) approach. What we intend to establish are some of the advantages associated with treating William Baumol’s unbalanced growth model as a particular case of Luigi Pasinetti’s framework. One such advantage involves challenging assumptions behind the model by scrutinising the conditions under which Baumol’s result is valid. Another advantage consists of extending the analysis to an arbitrary number of sectors to consider quasi-proportional growth and full dynamics – cases considered by Pasinetti. As suggested by Nicholas Oulton and drawing from the SED framework, we then expand the model to consider intermediate inputs, through using the concept of vertical integration. This leads us to confirm the remark advanced by Oulton; namely, that in the presence of intermediate goods, the aggregate growth rate of productivity might not slow down sufficiently to converge towards the lower productivity growth sector, as advocated by Baumol. In sum, the point we seek to establish is that the ‘stagnationist’ outcome depends on an intricate relation between supply and demand. The multi-sectoral approach that considers intermediate inputs suggests that a disaggregated analysis of well-established results can indeed offer novel insights.
Effect of foliar spraying mixed with Fish Amino Acids (FAA) and Oriental Herbal Nutrient (OHN) extract on growth, yield and quality of watermelon (Citrullus lanatus)

Foliar spraying with mixed Fish Amino Acids (FAA) and Oriental Herbal Nutrients (OHN) extract are essential elements for watermelon (Citrullus lanatus) growth and development, production and significantly increase lycopene and total soluble solids content without degrading the natural resources. The mixture of F3O3 (3ml.l-1 of FAA + 3ml.l-1 of OHN) shows the highest vine length, internode length and number of leaves with 601.6 cm; 27.4 cm and 129.3 at 60 DAT respectively,while the control (F0O0) was 402.8 cm; 23.4 cm and 97.2 respectively. Highest yield (ton.ha-1) and fruit length (cm) were recorded under F3O3 with 82.0 ton.ha-1 and 42.1 cm respectively, where the control (F0O0)was 53.3 ton.ha-1 and 33.6 cm respectively. The high concentration of FAA in a mixture had negative effect on total soluble solids content but their effects were positive in lycopene content while the high concentration of OHN had a positive effect on the total soluble solids content in brix percentage and less effect on Lycopene content. The highest brix content were 14.2 in F1O3 followed by 14.1 in F1O2, the least found in F3O1 with 12.6. The lycopene content were high in F3O3 (105.91μg.g-1) followed by F3O2 (105.04μg.g-1) where the least were (38.26μg.g-1) F3O3 fresh weight. Keywords: Watermelon; Fish Amino Acids; Oriental Herbal Nutrients and Bio stimulant
Pedagogies of agonistic democracy and citizenship education

Concerned about the limits of normative deliberative pedagogies, we designed and organized a workshop to explore to possibilities of an agonistic pedagogy for global citizenship education. We brought together a range of participants including national and international primary and university students, researchers and curriculum developers and we created pedagogical activities in which disagreement was fostered. We aimed to normalize conflict, create channels for the expression of political emotions and generate opportunities for the emergence of new subjectivities. Our findings suggest that the plurality of participants and the conflict-orientated pedagogies facilitated the normalization of conflict, the participants’ affective engagement with Others and the creation of new subjectivities. They also indicate that older participants had less positive attitudes towards conflict-orientated pedagogies and discussions on abstract topics did not foster ‘affective’ engagement. We examine potential implications for further educational research and practice considering the singularities of this project.
“I FORGOT WHAT IT IS”: THE ENACTMENT OF 2013 CURRICULUM IN EFL CLASSROOM

To date, the 2013 curriculum has been implemented for almost a decade. But this latest curriculum has not been well-implemented due to many obstacles. Accordingly, plethora studies have been extensively carried out to refine the praxis. However, the investigation of this area in junior high schools is underexplored. Thus, this study was carried out to fill this void. This research study aimed to investigate the problems in enacting 2013 Curriculum, to reveal the hindering factors, and to showcase how teachers cope with those problems. Grounded in a case study, nine English teachers of state junior high schools were recruited. Data were collected through observations, documentations, and interviews. The findings confirmed that teachers experienced some delinquent setback in translating curriculum into instruction. This was related to how they teach using suggested teaching stages, integrate intended domains of competence, and conduct authentic assessment. Furthermore, students’ lack of motivation and autonomy was also a sizeable impediment. In relation to this, some hindering factors and teachers’ endeavours to cope with the abovementioned problems were also elaborated systematically. To end this article, some practical recommendations were proposed accordingly.
Storm‐flood‐dominated delta: A new type of delta in stormy oceans

Storms are increasingly identified as a key depositional process. Their deposits show unique sedimentary characteristics, distinct from deposits of fair‐weather wave processes, but are not currently separated in classic ternary deltaic classification schemes. The term ‘storm‐flood‐dominated delta’ is proposed for a new type of delta that more fully represents deltas dominated by storm‐flood processes. This study describes several outcrop cliffs of the Gallup Formation, deposited during the Late Turonian to Early Coniacian in north‐west New Mexico, that exemplify storm‐generated facies and provide examples that can be used to generate a facies model for storm‐flood‐dominated deltas. Key identification criteria include extensive sharp‐based planar to hummocky cross‐stratified sandstone beds, commonly presenting as large‐sized gutter casts. They are interbedded with mudstones that show low bioturbation intensity and normally and inversely graded beds, suggesting direct deposition from river plumes. Major types of gutter casts are classified based on geometry and dimension. The gutter casts are interpreted as storm channels of storm‐flood‐dominated deltas and formed by erosion and infill of submerged channels resulting from offshore‐oriented downwelling currents that may include localized rip currents. These amalgamated channels are likely linked to multiple feeding rivers and distributary channels that ensured high sediment supply rates and highly efficient offshore‐directed sediment transport through hyperpycnal flows. A four‐component pyramidal classification scheme of deltaic deposition is employed to emphasize storms as a distinct process in contrast to the traditional classification that lumps storm and fair‐weather processes in a single ‘wave’ end‐member. The four‐component depositional model can be readily applied to interpret storm‐dominated environments and provide new insights into depositional processes of the marine realm. Recognition of storm processes in deciphering depositional evolution will also help to better understand control mechanisms of sequence stratigraphy, such as relative sea‐level changes, and to analyze sedimentary processes governing sediment transport in ‘source to sink’ systems.
A Coloring Study of the Ga Richest Alkali Gallides: New In- and Hg-Containing Gallides with the RbGa7- and the K3Ga13-Type Structure

The Ga-rich gallides of the alkali metals present an interesting, yet still scarcely investigated case of polyanionic cluster compounds with subtle variations in the character of their chemical bonding. In the present work, the Ga richest phases K3Ga13, RbGa7, and CsGa7, which are formally electron-precise Zintl/Wade cluster compounds, are systematically studied with respect to a partial substitution of Ga by In and Hg. The pure hepta-gallides AGa7 (A = Rb/Cs; R3¯m), which were formerly obtained from Ga-rich melts in powder form only, were crystallized from Hg-rich melts. Herein, up to 9.9/13.6% (Rb/Cs) of Ga could be substituted by In, which partly takes the four-bonded [M2] dumbbells connecting layers of Ga-icosahedra. Even though the structures are electron precise, the pseudo band gap does not coincide with the Fermi level. In the most Ga-rich potassium compound K3Ga13 (Cmcm) only 1.2% of In and 2.7% of Hg could be incorporated. Although Rb3Ga13 remains unknown, ternary variants containing 5.2 to 8.2% In could be obtained; this structure is also stabilized by a small Hg-proportion. The likewise closed-shell 3D polyanion consists of all-exo-bonded Ga-icosahedra and closo [Ga11] clusters, which are connected by two tetrahedrally four-bonded Ga− and a trigonal-planar three-bonded Ga0. The aspects of the electronic structures and the site-specific Ga↦Hg/In substitution in the polyanion (“coloring”) are discussed for the title compounds and other mixed Ga/In trielides.
Vortex shedding modes around oscillating non-uniform double heave plates

Multiple co-axial heave plates of uniform geometry are attached to offshore platforms for inducing damping and added mass. These effects generally decrease the magnitude of the dynamic response of the platform under applied environmental excitation forces. When spacing between heave plates is decreased the damping and added mass performance are altered due to their strong vortex interaction. A new non-uniform plate configuration is proposed that may create different hydrodynamic characteristics. The modes of vortex shedding around plate edges in a non-uniform arrangement under forced harmonic oscillation are investigated via the CFD method. Furthermore, a new simplified formula for the total theoretical added mass of a general non-uniform double disk is proposed when it is in the zone which vortex interaction take places. The results show that a non-uniform double disk has better hydrodynamic performance as compared to the uniform double configuration for a given spacing. It is also observed that the mode and direction of the vortex shedding are different for uniform and non-uniform arrangements in a given spacing and KC value.
Teletrabajo. Modalidad de trabajo en pandemia

Con este trabajo nos proponemos establecer una revision general del teletrabajo, sus implicancias en el contexto actual y los desafios que supone para la clase obrera, en tiempos de pandemia. Para ello, revisitamos la bibliografia disponible, distinguiendo fundamentalmente las producciones cientificas de aquellas que denominamos propaganda , pues la mayor parte de la literatura especializada en home office es en esta clave. Analizamos articulos de diarios y revistas, documentos de organismos internacionales y estatales, asi como las regulaciones existentes en nuestro pais, para realizar una reflexion critica al respecto. Este es un articulo producido en contexto de emergencia . La proliferacion del teletrabajo debido al aislamiento social preventivo y obligatorio ha generado nuevas preguntas y desafios para las y los trabajadores. No es nuestra pretension responder a esos interrogantes, pero si echar luz sobre un fenomeno complejo y que requiere atencion desde distintas aristas.
Electrochemical shock : mechanical degradation of ion-intercalation materials

The ion-intercalation materials used in high-energy batteries such as lithium-ion undergo large composition changes–which correlate to high storage capacity—but which also induce structural changes and stresses that can cause performance metrics such as power, achievable storage capacity, and life to degrade. “Electrochemical shock”–the electrochemical cyclinginduced fracture of materials–contributes to impedance growth and performance degradation in ion-intercalation batteries. Using a combination of micromechanical models and in operando acoustic emission experiments, the mechanisms of electrochemical shock are identified, classified, and modeled in targeted model systems with different composition and microstructure. Three distinct mechanisms of electrochemical shock in ion-intercalation materials are identified: 1) concentration-gradient stresses which arise during fast cycling, 2) twophase coherency stresses which arise during first-order phase-transformations, and 3) intergranular compatibility stresses in anisotropic polycrystalline materials. While concentrationgradient stresses develop in proportion to the electrochemical cycling rate, two-phase coherency stresses and intergranular compatibility stresses develop independent of the electrochemical cycling rate and persist to arbitrarily low rates. For each mechanism, a micromechanical model with a fracture mechanics failure criterion is developed. This fundamental understanding of electrochemical shock leads naturally to microstructure design criteria and materials selection criteria for ion-intercalation materials with improved life and energy storage efficiency. In a given material system, crystal symmetry and phase-behavior determine the active mechanisms. Layered materials, as exemplified by LiCoO2, are dominated by intergranular compatibility stresses when prepared in polycrystalline form, and two-phase coherency when prepared as single crystal powders. Spinel materials such as LiMn2O4, and LiMn1.5Ni0. 5O4 undergo first-order cubic-to-cubic phasetransformations, and are subject to two-phase coherency stresses even during low-rate electrochemical cycling. This low-rate electrochemical shock is averted in iron-doped material, LiMn1.5Ni0. 42Fe0.08O4, which has continuous solid solubility and is therefore not subject to two-phase coherency stresses; this enables a wider range of particle sizes and duty cycles to 3 be used without electrochemical shock. While lithium-storage materials are used as model systems, the physical phenomena are common to other ion-intercalation systems, including sodium-, magnesium-, and aluminum-storage compounds. Thesis Supervisor: Yet-Ming Chiang Title: Kyocera Professor of Ceramics Thesis Supervisor: W. Craig Carter Title: Professor of Materials Science and Engineering
Operations strategies with snobbish and strategic consumers

Studying the optimal production and pricing strategies of a luxury brand manufacturer (in this paper, the “manufacturer” is in fact also the “retailer”), we consider the following situation. First, consumers exhibit a prestige‐seeking (snobbish) behavior that values product exclusivity. Their utility decreases as more consumers possess the product. Second, consumers show a forward‐looking (strategic) behavior. They make shop visit decisions based on predicted product availability. Third, the manufacturer's production policy is unobservable to consumers. Given these basic premises, we consider a traditional newsvendor inventory system and analytically derive the equilibrium production and pricing strategies within the rational expectation framework. We then propose two improvement strategies, each using a well‐established channel policy, to steer the game participants to reach a better equilibrium than the one for the traditional system. First, under the limited edition strategy with consumer returns, the firm uses the consumer return policy as a proxy for the limited edition strategy that aims to increase product exclusivity. Second, under the product line extension strategy, the firm applies product line extension as a means to guide the game participants to simultaneously increase product availability and product exclusivity. Finally, we extend the study by incorporating a variety of modeling variations and examine robustness of the research findings.
The Impact of Venture Capital Holding on the Firms Life-cycle: Evidence from IPO Firms

Venture capital firms often continue to stay as shareholders and on the board of directors of their investee companies even after they have gone public. This paper examines the impact of venture capital ownership beyond the IPO listing on important consequential, corporate decisions in a firm's lifetime, including time to dividend initiation. Using a sample of 1,409 US firms listed between 2000 and 2017, we find that venture capital firms delay the time to initiate dividends by approximately two years. The presence of venture capital firms further delays the use of external growth strategies (through acquisitions) and postpones the introduction to the corporate bond market while relying more quickly on seasoned equity offerings. Several robustness checks are performed, including controlling for possible reverse causality. These results are consistent with the view that venture capital firms extend the growth phase of the firms' life-cycle prior to becoming a mature firm. We further show that the presence of VC funds in the firm at time of these decisions leads to positive stock price reactions, suggesting they offer a certification effect for continued growth opportunities.