Analysis of the Markowitz Method and the Single Index Method in Determining the Optimal Portfolio

Investors generally make investments to get the maximum return with minimal risk. The optimal portfolio is a method that can be used to determine the stock portfolio that produces the maximum return with the least risk. The purpose of this study is to determine the accuracy of the Markowitz method and the single index method in determining the optimal portfolio and to determine whether or not there are differences in the results of optimal portfolio calculations using the Markowitz Method and the Single Index Method. The study population includes LQ-45 companies listed on the Indonesia Stock Exchange for the period 2014-2018. The sampling method used in this study was purposive sampling, based on predetermined criteria obtained from 18 sample companies. The method used is the One-Sample t-Test and the Independent Sample t-Test. The results of this study indicate that there is no difference between the Markowitz Method and the Single Index Method in determining the Optimal Portfolio.

Purchase Decision in View of Brand Image, Product Quality, and Promotion

The development of technology at this time is very fast. This development can be seen from the progress of gadgets that are now easily grasped by various groups (rich, poor) and ages (old, young) all can use it. Gadget innovations are always popping up all the time, from laptops, PCs, to cellphones. Mobile offers various advantages and features to support user flexibility. This study aims to prove the simultaneous and partial effect of purchasing decisions in terms of brand image, product quality, and promotion of Oppo mobile phones. This research is quantitative descriptive. The population is all buyers of Oppo mobile phones. The number of samples used amounting to 100 respondents, the sample was taken by purposive sampling technique. The data analysis technique used in this study was multiple linear regression analysis. The results show that the f-test brand image, product quality, and promotion simultaneously and significantly influence the buying decision for Oppo mobile phones. The t-test results show that brand image has a positive and significant effect on purchasing decisions for Oppo cellphones, product quality has a positive and significant effect on purchasing decisions for Oppo cellphones, the promotion has a positive and significant effect on purchasing decisions for Oppo cellphones.

Purchase Decisions From Social Media Marketing, Product Innovation, and Celebrity Endorser

Investing or saving with gold is in great demand today, in an easy way and everyone can do it. Investment in the sale and purchase of old make the company very competitive. This study aims as a test of social media marketing, product innovation, celebrity endorser on purchasing decisions for jewelry at the Semar Nusantara gold shop Sukoharjo branch. The sample of this research is 100 consumers using the multiple linear regression method. Based on the results of research and discussion, social media marketing, product innovation, celebrity endorsers have a positive and significant effect on purchasing decisions at the Semar Nusantara gold shop. Social Media Marketing can influence purchasing decisions at the Semar Nusantara gold shop, Sukoharjo branch, which is one of the jewelry stores that keep up with the times, it can be said that because the jewelry shop offers online on social media, Instagram, and shopee in particular. So that millennials can buy online at the shopee @semarnusantara account and What's Up. With the social media Instagram @semarnusantara, customers can more easily find the latest information on the Semar Nusantara gold shop.

Analyze Return on Equity and Weighted Average Cost of Capital Linkages to Firm Value

The company's stock price which always experiences a decline is the background of this research. This study aims to determine the effect of return on equity (ROE) and Weighted Average Cost of Capital (WACC) on firm value in the textile and garment sector which is listed on the Indonesia Stock Exchange. This study using secondary data from is Financial statements of textile and garment companies from 2013 to 2018 obtained through the website Indonesia Stock Exchange. The analytical method used is multiple linear regression and data analysis using IBM Statistics 26. Based on the result of the analysis it can be concluded that return on equity and weighted average cost of capital has a significant effect on firm value with R2 equal to 0,329, which means the contribution of the independent variable to firm value by Price book value (PBV) in textile and garment companies is equal to 32,9 % and the remainder equal to 68,1 % can be explained by other variables outside this study, and based on the value of F with the values 6.606 shows that the simultaneous correlations of independent variables namely ROE and WACC with the dependant variable firm value.

The Influence of Discipline, Selection, and Organizational Culture on Employee Performance

This study's research background aims to determine how much influence discipline, selection, and organizational culture have on employee performance. The object of research was carried out on employees who work at PT United Rope. The population used in this study was 136 employees with a sample of 101 PT United Rope employees who were obtained using a simple random sampling technique using the Slovin formula. Samples were obtained by distributing questionnaires to employees. The independent variables in this study are discipline, selection, organizational culture. The dependent variable in this study is employee performance. The data analysis technique used includes validity test, reliability test, classical assumption test including normality test, multicollinearity test, heteroscedasticity test, data analysis with multiple linear regression, simultaneous test, and partial test. Based on the research results, discipline, selection, and organizational culture have a positive and significant effect on employee performance. The conclusion of this study, variable field, selection, and corporate culture will improve employee performance. Employee performance will increase if employees can be disciplined in carrying out their work. The company can select employees well in occupying a position, and employees who can apply organizational culture properly will have increased performance.

Purchasing Decision Judging from Product Design, Product Quality, and Brand Image

The two-wheeler industry in Indonesia has a very positive trend. Advanced technology science as a means of smoothing the flow of communication and transportation, which causes very competitive competition. This study aims to test product design, product quality, the brand image on the purchase decision of a Mio motorcycle at a Yamaha Sumber Baru Dealer Rejeki Kartasura. The research sample was 70 consumers and used the multiple linear regression method. The results of product design, product quality, a brand image simultaneously and partially have a significant effect on the purchase decision of the Mio Motor at Yamaha Sumber Baru Dealer Rejeki Kartasura. Three independent variables can explain the purchase decision.

Capital Market Reaction to Announcements the First Case of Coronavirus

The more important the role of the stock exchange in economic activity, the more sensitive the stock exchange is to various surrounding events, whether they are directly related to economic issues or not. The announcement of the first case of the coronavirus in Indonesia is one of the events that have the potential to affect market behavior. This study aims to analyze the reaction of the capital market to the announcement of the first case of the coronavirus in Indonesia. This study used an event study approach with measurements seen from differences in abnormal returns and trading volume activity before and after the event. The research sample was 45 companies selected by the purposive sampling technique. Data analysis used paired sample t-test on normally distributed data and Wilcoxon test on data not normally distributed. The results showed that there was no difference in abnormal returns and trading volume activity before and after the announcement of the first case of the coronavirus in Indonesia. This study concludes that events do not contain significant information that can influence investors' decisions in the capital market.

Comparative Analysis of Abnormal Returns of Stocks and UBS Gold Before and After the Announcement of the Covid-19 Pandemic

Currently, the economy and capital market in Indonesia are experiencing a decline in performance due to the COVID-19 pandemic. This research was conducted to analyze whether there is a difference in the return of shares in the transportation sub-sector and UBS gold to the current COVID-19 pandemic, by looking at changes in prices 7 days before and 7 days after the announcement of the COVID- 19 Pandemic announced by President Joko Widodo on March 2, 2020. The phenomena contained in this study were carried out by the event study with the abnormal return technique. This study using data in the form of secondary data and data taken by time series. The sample used in this research is data on the closing price of 7 days of 1-gram UBS pure gold before and after the COVID-19 pandemic and 23 shares of the transportation sub-sector listed on the Indonesia Stock Exchange. Data analysis used abnormal return, normality test, and paired sample t-test using IBM SPSS. This study found that there was no difference in the abnormal return of shares in the transportation sub-sector and UBS Gold at the time of the announcement of the COVID-19 pandemic in Indonesia by Joko Widodo.

Effectiveness of Rastra Bulog Rice Distribution Using Agent Based Modeling and Simulation Tools

The Rastra Rice Program is one of the programs planned by the government to reduce the burden on target households (RTS – Rumah Tangga Sasaran). This program provides relief to the community by distributing Rastra Rice which is suitable for consumption. BULOG become one of the state-owned institutions appointed by the government to provide and distribute subsidized rice for low-income groups, the provision prioritizes the procurement of rice/rice from farmers in the country. The main objective of this research is to find a better distribution strategy so that the distribution process of Rastra rice is efficient, minimizes delays from delivery times, and minimizes the risk of storage costs. The research method used is descriptive qualitative with data collection methods using observation techniques and literature studies, while the method in determining the distribution strategy using agent-based modeling and simulation. Agent-based Model (ABM) based simulation method for Rastra rice distribution using the Multi-Agent Simulation (MASIM) stage, namely, the requirements stage, the modeling stage, the design, and architectural stage, the implementation stage, the verification stage, validation, and accreditation.

The Effect of Penetration, Availability, and Usage on Bank Profit

National banking profit growth has been fairly good, seen from the results of the third quarter of 2017, large-scale banks that dominate the market have seen a significant increase. The increase in profit was due to the ability of banks to reduce costs and reduce the provision for bad loans. Financial inclusion, namely efforts to provide easy access, availability, and use of the formal financial system for all members of the economy without social exclusion. Financial inclusion has 3 indicators, namely penetration, availability, and usage. This study aims to determine the effect of penetration, availability, and usage on bank profits at 10 conventional commercial banks listed on the IDX. The independent variables are penetration, availability, and usage. The dependent variable is bank profit. This research uses quantitative methods and the purposive sampling technique. The author uses descriptive analysis and panel data regression analysis using fixed effects. The results showed that penetration, availability, and usage did not have a significant positive effect on bank profits. Banking companies should provide more effective financial services so that they benefit customers and attract investors.