Analysis Investor Index Indonesia with Capital Asset Pricing Model (CAPM)

This study aimed to compare composition of the optimal portfolio of stocks, the proportion of funds in each of these stocks and calculate risk and return portfolio from Investor33 (INV33) Index and Jakarta Islamic Index (JII) in research period January 2016-December 2018. The method used in this research is a quantitative descriptive method. Sample in this study using purposive sampling were 24 stock from INV33 Index and 17 stock from JII Index. The results of the study were as follows : (1) The optimal portfolio of stocks by using capital asset pricing model from INV33 Index are CPIN (Charoen Pokphand Indonesia Tbk), ITMG (Indo Tambangraya Megah Tbk), BBCA (Bank Central Asia Tbk), UNTR (United Tractor Tbk), (TLKM) Telekomunikasi Indonesia (Persero) Tbk, ICBP (Indofood CBP Sukses Makmur Tbk), BBTN (Bank Tabungan Negara Persero Tbk and from JII Index are ADRO (Adaro Energy Tbk), ICBP (Indofood CBP Sukses Makmur Tbk), INCO (Vale Indonesia Tbk), INDF (Indofood Sukses Makmur Tbk), TLKM (Telekomunikasi Indonesia Persero Tbk), UNTR (United Tractor Tbk). (2) The composition of the proportion of funds in optimal portfolio formed by INV33 Index are BBCA (46,49%), CPIN (20,11%), ICBP (12,78%), ITMG (8,59%), UNTR (6,95%), TLKM (4,11%) and BBTN (0,97%) and from JII Index are ICBP (34,96%), ADRO (19,47%), UNTR (16,26%), INCO (10,88%), TLKM (10,43%) and INDF (8,00%). (3) The optimal portfolio of stocks return from INV33 Index was greater than stock portfolio return from JII Index and the optimal portfolio of stocks risk from INV33 Index was lower than stock portfolio risk from JII Index.

Hybrid Model Of Structural Equation Modeling Pls And Rfm (Recency, Frequency And Monetary) Model To Improve Bank Average Balance

As a business players, entrepreneurs certainly need bank products and supports that provide fast and easy services with wide-spread network in Indonesia. In this study, Structural Equation Model (SEM) identify the transaction that influence the average balance. The objects of the RFM segmentation on the selected transaction is to understand customer segment score and build a marketing strategy for each segment with different levels of loyalty for the Financial result of higher Average Balance. The segmentation results found three driver categories, High Recency, Mid Recency and Low Recency category. High Recency is considered Active customer where campaign category can be cross/up-selling and promotional accordingly with their Frequency and Monetary category. Mid Recency category is considered Risky customer where campaign category can be retention program accordingly with their Frequency and Monetary. Last, Low Recency is considered already Churn customer where campaign category is to conduct reactivation.

Influence of Post Covid Change In Consumer Behaviour of Millennials On Advertising Techniques and Practices

The pandemic caused by Covid 19 has kicked off survival strategies from vulnerable groups of people to small businesses, which has challenged the core operating practices and modified consumption patterns. Thus, effective marketing strategies are imperative in these times, that not only convey values of the brand but also resonate with people. Market disruptions are most likely to impact millennials and Gen Z and given the exploration and spending propensity, millennials are most likely to drive demand during the pandemic as well as in the post pandemic world. This research proposal aims to explore how consumer habits have changed during pandemic, how likely these habits will stick in the post pandemic world and how advertising needs to be transformed which relates best with millennials. The methodology involves a detailed analysis of literature and gathering insights from social media sites through big data. This research investigates the impact of avoiding deterministic automatisms purchasing processes, implying the need to understand, from an academic and conceptual standpoint, the utility of the set of business strategies to truly influence consumer purchasing behaviour of Millennials.

Exploration of Islamic Religious Learning Innovation Technology with the iLearning Approach

The field of education has an important role for a country in producing high-quality young generations so that they can be responsible for advancing the country. This important role is in line with the function of education, which is to develop abilities and shape the character and civilization of a dignified nation in order to educate the nation's life. Seeing the importance of education for the nation's next generation, it is necessary to innovate quality learning methods from childhood education to education in lectures. In this study, it will focus on improving the quality of learning methods, especially in Islamic religious lessons with the approach ilearning -which has been intensively developed for several years. Researchers will explore learning application innovations with an assessment focus seen from the feasibility component of learning applications, with the resulting structure covering 4 factors: Parental control, contribution to development skill, efficiency and motivation. In this study, the assessment will be carried out by means of interviews in the form of a questionnaire to 100 data and the population calculation method, namely slovin, will be used in this study. The results of this study found an innovative learning application that meets the four assessment criteria. In this study, the dojo application has met 4 learning application assessment criteria by successfully occupying the first position in the four assessment categories. The assessment of parental control gets a percentage of 47%, the assessment of the role of skill development factors gets a percentage of 28%, the efficiency factor gets a percentage of 31% and the last assessment factor is the motivation factor where in the assessment of this factor the dojo application gets a percentage of 31%. Judging from this assessment, the dojo application can be stated as an application that is close to the learning application criteria in accordance with 4 (four) important factors in a learning application.

Hash Algorithm In Verification Of Certificate Data Integrity And Security

The hash function is the most important cryptographic primitive function and is an integral part of the blockchain data structure. Hashes are often used in cryptographic protocols, information security applications such as Digital Signatures and message authentication codes (MACs). In the current development of certificate data security, there are 2 (two) types of hashes that are widely applied, namely, MD and SHA. However, when it comes to efficiency, in this study the hash type SHA-256 is used because it can be calculated faster with a better level of security. In the hypothesis, the Merkle-Damgård construction method is also proposed to support data integrity verification. Moreover, a cryptographic hash function is a one-way function that converts input data of arbitrary length and produces output of a fixed length so that it can be used to securely authenticate users without storing passwords locally. Since basically, cryptographic hash functions have many different uses in various situations, this research resulted in the use of hash algorithms in verifying the integrity and authenticity of certificate information.

The Influence of Curriculum Based on the Indonesian National Qualifications Framework (KKNI) on the Quality of Student Learning (Studies on Students at the State University of Medan)

The curriculum is one of the supporting factors of successful learning and of course the curriculum is structured to be able to improve the quality of each student. Currently the current curriculum is being discussed, namely the curriculum based on the Indonesian national qualification framework (KKNI). This curriculum is very closely related to the HOTS system (High Order Thinking Skill), where this system requires students / students to think high-level that requires a variety of different learning and teaching steps by just learning facts and concepts alone. The KKNI curriculum requires students to go directly into the real world / field. This curriculum is also expected to be able to harmonize cognitive, psychomotor, and affective. The purpose of this study was to find out and analyze how the influence of KKNI on the quality of student learning. Data collection techniques are by distributing questionnaires to respondents as many as 40 respondents. The research method used in this study is by using a correlational method that is related to the descriptive method, where the writer will look for the relationship between the variables studied, namely the KKNI towards the quality of student learning. The research approach used by the writer is by using qualitative and quantitative approaches. The results showed that there was an influence of the KKNI curriculum on the quality of student learning. The research method used in this study is by using a correlational method that is related to the descriptive method, where the writer will look for the relationship between the variables studied, namely the KKNI towards the quality of student learning. The research approach used by the writer is by using qualitative and quantitative approaches. The results showed that there was an influence of the KKNI curriculum on the quality of student learning. The research method used in this study is by using a correlational method that is related to the descriptive method, where the writer will look for the relationship between the variables studied, namely the KKNI towards the quality of student learning. The research approach used by the writer is by using qualitative and quantitative approaches. The results showed that there was an influence of the KKNI curriculum on the quality of student learning. Keywords: Curriculum, HOTS, KKNI

Numerical Simulation of Solar Air Heater using Paraffin Wax-Aluminum Compound as Phase Changing Material

This paper presents a theoretical investigation of solar air heater using phase change material (PCM). PCM used in present configuration is homogenous mixture of paraffin wax with Aluminium powder. The purpose of using Aluminium powder with paraffin wax is to increase the thermal conductivity. PCM mixtures are encapsulated in cylinders and are used as solar absorbers. Using MATLAB program, the effect of different parameters is studied. It has been observed that with increase in mass flow rate, air outlet temperature decreases and freezing time of cylinder decreases. However, at constant mass flow rate, with increase in cylinder radius, air temperature decreases and while freezing time increase sharply. The different parameters have to be chosen such that performance of solar air heater can be optimized.

Blockchain Technology Application: Authentication System in Digital Education

The application of technology in various aspects of life has made it easy for many people. However, there are also shortcomings in the use of technology, one of which is security issues, both transactions and data. Given these issues in this paper, we propose blockchain technology for an authentication system that will protect data rights and interests and be safe from interference to store information in the form of confidential text, especially in the application of technology in education. From this writing, there are 2 benefits, the first is that all data stored in the education system is guaranteed and there will be increased trust from both parents, teachers and other parties due to the decentralized nature of blockchain.

Science Literacy in Early Childhood: Development of Learning Programs in the Classroom

The importance of science literacy in early childhood greatly influences the development of scientific thinking ability. Early childhood is the most critical learning goal that can be done with a student-centered approach to the classroom. This article discusses the needs of science literacy at an early age. Various investigative processes have been carried out by uncovering qualitative methodology. The interview method was conducted to five early childhood teachers. Teknik data analysis using Heurmeutical analysis and Miles and Huberman models. The results showed that early childhood in the application of science literacy as a learning development program in the classroom requires three aspects that need to be considered, namely: attitude, skills, self-competence in children's cognitive ability, and participation in classroom strategies mapped by teachers. While the needs of learning in the classroom are very important to be done as an effort to improve the competence of teachers to the quality of teaching. In the long term, this research has implications in the field of education, namely the development of teacher competencies on the ability to manage science literacy at an early age.

Thermo-Fluidic Modelling of a Heat Exchanger Tube with Conical Shaped Insert having Protrusion and Dimple Roughness

In the present work, thermo-fluidic behavior of a heat exchanger tube with conical shaped insert has been investigated with the help of finite volume method. To enhance the heat transfer rate, two different types of roughness has been used in conical insert i.e. protrusion and dimple roughness. A three-dimensional computational model with RNG turbulence model is used for the simulation and it has been performed for three different diameters (3 mm, 6 mm and 9 mm) and two different pitch space (120 mm and 180 mm) for both protrusion and dimple roughness. The present model has been validated with Dittus-Boelter equation and with Blasius equation for Nusselt number and friction factor, respectively. For a constant heat flux of 1200 W/m2, effect of roughness, diameter and pitch on Nusselt number and friction factor has been predicted for Reynold number range of 5000 to 30000. From the result, it is found that, the protrusion shaped roughness has better thermal performance factor than dimple shape and diameter of 6 mm has performed better than 3 mm and 9 mm for both the cases of roughness due to favorable flow dynamics.