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Mustofa Kamal
Jurusan Manajemen Fakultas Ekonomika dan Bisnis Universitas Diponegoro
Religion Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Law, Crime, Criminology & Criminal Justice Social Sciences Other

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ANALISIS PENGARUH INFORMASI KEUANGAN DAN UKURAN DEWAN TERHADAP UNDERPRICING DENGAN VARIABEL KONTROL UKURAN PERUSAHAAN (Studi Kasus pada Perusahaan yang Melakukan IPO di BEI Periode 2010-2015) Syafira, Vina Febria; Kamal, Mustofa
Diponegoro Journal of Management Volume 5, Nomor 3, Tahun 2016
Publisher : Faculty of Economics and Business Diponegoro University

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Abstract

Companies need substantial capital to maintain the companies’ existence and they often choose capital market as a medium to increase the capital, but companies often experience underpricing when they do initial public offering. Underpricing phenomenon occurs when there is a positive difference between the closing price in the secondary market on the first day and the IPO price. This study aims to determine the effect of financial information (leverage, EPS, and ROA) and board size on the level of underpricing in companies that did Initial Public Offering in Indonesia Stock Exchange during 2010-2015. The samples used in this study were 86 companies who did initial public offering in Indonesia Stock Exchange during 2010-2015 and experienced underpricing. The analytical method used in this study is multiple linear regression analysis. The results of this study indicate that EPS has a positive significant effect on underpricing, ROA has a negative significant effect on underpricing, while leverage, board size, and firm size have insignificant effect on underpricing.
ANALISIS PENGARUH CITRA MEREK, DESAIN PRODUK, DAN KUALITAS PRODUK TERHADAP KEPUTUSAN PEMBELIAN SEPATU NIKE (Studi Kasus pada Konsumen Nike di Kota Semarang) Farhan, Mohamad Yusuf; Kamal, Mustofa
Diponegoro Journal of Management Volume 4, Nomor 4, Tahun 2015
Publisher : Faculty of Economics and Business Diponegoro University

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Abstract

Nowadays, the competition on sport shoes is getting more competitive. Each company design sport shoes with the best quality. The purpose of this research is to explain the effect of brand image, product design, and product quality influencing on purchasing decision of Nike’s sport shoes and also explain which variable has the biggest influence on the purchasing decision of Nike’s consumer.This research takes 100 respondents using Accidental Sampling technique as sample. The analysis used in this research is multiple linear regression analysis. There are three stages before conducting multiple linear regression analysis, validity and reliability testing and classical assumption testing. After all stages of multiple linear regression is done, the writer conducted goodness of fit test: individual parameter significance test (t test), simultant significance test (f test), and determination coefficient test (R2 test).The result of Regression analysis showed that the variable of brand image, product design, and product quality had positive influences to the purchasing decision with an equation Y = 0,276  X1 + 0,238 X2  + 0,405 X3. The most influential variable was product quality in the amount of 0,405, followed by brand image in the amount of 0,276, and the least influential variable was product design in the amount of 0,238. T test result showed that brand image, product design, and product quality individually had a significant influence on purchase decision. This equation model had F value of 29,546 with a significant level of 0.0000. The analysis used determination coefficient or R2 test showed that 46.4% purchasing decision could be summarized by brand image, product design, and product quality and 53.6% purchasing decision could be summarized by other variables which had been explained by another factor.
ANALISIS PENGARUH KUALITAS PRODUK, HARGA, KUALITAS PELAYANAN DAN LOKASI TERHADAP KEPUTUSAN PEMBELIAN (Studi Kasus Pada Grand Panorama Resto Semarang) Mega Saputro, Rihasto; Kamal, Mustofa
Diponegoro Journal of Management Volume 4, Nomor 2, Tahun 2015
Publisher : Faculty of Economics and Business Diponegoro University

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Abstract

The research was conducted as a decline in sales at Grand Panorama Resto Semarang for several month, so we have to know what factors that influence the purchase decision. This study aims to determine the effect of quality of product, price, quality of service and location on purchase decision on Grand Panorama Resto Semarang and which ones have the most impactThe research data was collected from 100 consumers Grand Panorama Resto Semarang. Samplingin this study using accidental sampling technique. The analysis used in this study is multiple regression analysis . Before multiple regression analysis also do validity and reliability testing and classical assumption testing. And after that also do the hypothesis testing and coefficient of determination. The data have met, test the validity of realibility ,and the assumption of the classical tillable so as to produce the regression equation is as follows : Y = 0,431 X1 + 0,079 X2 + 0,274 X3 + 0,255 X4Regression analysis showed variable of quality of product, price, quality of service, and location have a positive influence to the purchase decision. The most influential variable was a quality of product 0,431  followed by quality of service 0,274, location 0,255, and price 0,079. The analysis result using t test showed that quality of product ,quality of service , and location individually have a significant influence  on purchasing decisions except price not influence on purchasing decision.  The equation model had F value of 104,152 with a significance level of  0,000. The analysis result using coeffficient of determination was discovering about 80,6% variable of purchasing decision can be summarized by the variant of variable quality of product, price, quality of service, and location, whilst 19,4% summarized by other variable which unexplained in this research.
PENGARUH JUMLAH SAHAM BEREDAR, IFR, TINGKAT PENGUNGKAPAN INFORMASI WEBSITE DAN HARGA SAHAM PENUTUPAN TERHADAP FREKUENSI PERDAGANGAN SAHAM PERUSAHAAN (Studi pada Perusahaan yang Terdapat pada Indeks Kompas 100 Februari-Juli 2015) Elta, Ledina; Kamal, Mustofa
Diponegoro Journal of Management Volume 5, Nomor 3, Tahun 2016
Publisher : Faculty of Economics and Business Diponegoro University

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Abstract

The capital market unite the company and investors. In determining which companies to be selected, investors carry out several analyzes, including analyze the price and frequency stock trading in the past to estimate the frequency in the future. Frequency trading is influenced by several factors, including the number of shares traded, the fundamental factors, the disclosure of information, and stock prices. Meanwhile, technology (internet) develop very fast and influenced the form of financial statements via the internet or the website called Internet Financial Reporting (IFR), while for non-financial information , companies use websites to reduce asymmetry information about the company. This study aims to determine the effect of the number of traded shares, IFR, the level of website disclosure, and the closing stock price toward the frequency of company’s shares trading.The data used in this study is a cross section data. This study uses the 94 companies that included in the  KOMPAS100  index period from February to July 2015, have a website and apply IFR. Linear regression is used to determine the effect of the number of traded shares, IFR, the level of website disclosure, and the stock price toward the frequency of company’s shares trading.The results of this study indicate that according to the F test, the number of outstanding shares, IFR, the level of disclosure website, and stock prices affect the frequency trading (sig. 0.000), while according to the t test, partially only the number of shares outstanding and the stock price a positive and significant effect (with sig. 0.000), while IFR (sig. 0.732) and the level of information disclosure website (sig 0.805) did not significantly affect the company's shares trading frequency. Meanwhile, according to determination test, the number of outstanding shares, IFR, the level of information disclosure website and the closing share price affect the frequency of the company's shares trading amounted to 54.9%.
Analisis Pengaruh Pengumuman Merger dan Akuisisi Terhadap Abnormal Return Saham dan Kinerja Keuangan Perusahaan (Studi pada perusahaan yang melakukan Merger dan Akuisisi pada Tahun 2011 dan terdaftar di Bursa Efek Indonesia ) Sihombing, Neddy; Kamal, Mustofa
Diponegoro Journal of Management Volume 5, Nomor 3, Tahun 2016
Publisher : Faculty of Economics and Business Diponegoro University

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Abstract

This Research aimed to see if Merger and Acquisition has an Impact to Financial Performance and Abnormal Return of Companies has listed on Indonesian Stock Exchanged (IDX). Financial Performance is measured by some ratios : Current Ratio (CR), Total Asset Turnover (TATO), Debt to Equity Ratio (DER), Return On Investment (ROI), Earning Per Share (EPS), Abnormal Retun(AR) and Cumulative Abnormal Return (CAR).Population of this research include of companies which conducted Merger and Acquitision activity in the period 2011 and listed on Indonesian Stock Exchange (IDX) and announce merger and acquisition in the period 2011,and data analyzed by non statistic parametric. To answer the hypotesis using Wilcoxon Signed Rank Test and Manova.Analysis of the data used wilcoxon Signed Rank Test and Manova. Empirical Test of Wilcoxon Signed Rank Test show that there are parcial significantion on CR,TATO,DER,ROI and EPS before and after merger and acquisition but for Manova there are no significant for all that ratios. Abnormal Return and Cummulative Abnormal Return show that there are no difference of ratio before and after merger and acquisition.
ANALISIS PENGARUH PROMOSI, KUALITAS PRODUK DAN LAYANAN PURNA JUAL TERHADAP MINAT BELI SEPEDA MOTOR YAMAHA ( Studi Kasus Mahasiswa Ekonomika Dan Bisnis Universitas Diponegoro Semarang ) Aryatama, Nicko Bintang; Kamal, Mustofa
Diponegoro Journal of Management Volume 4, Nomor 1, Tahun 2015
Publisher : Faculty of Economics and Business Diponegoro University

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Abstract

This research purposed to find out the influence of promotion, the quality of product and after sales against interest buy yamaha motorcycle and analyzing the most dominant factor in influencing consumer interest in purchasing yamaha motorcycle used student of diponegoro university in semarang.This research used samples totaled 100 people taken from consumers who buy and use yamaha in the faculty of economics and business Diponegoro University of semarang obtained by used technique purposive sampling. Then kinds of analysese against the data obtained quantitative analysis. Quantitative analysis covering test validity test reliabilitas, test classic assumtions, test multikolinearitas, test heterokedastisitas, test normality, multiple regression analysis, F test , t test, a coefficient of determination. The data have met, test the validity of reliabilitas, and the assumption of the classical tillable so as to produce the regression equation is as follows:Y  =   0,264 X1 + 0,320 X2 + 0,333 X3Individually order from each of the most influential variable service after sales with the regression coefficient of 0,333 and variable the quality of the product with the regression coefficient of 0,320. While variables its influence the lowest is promotion with the regression coefficient of 0,264. The model equation having value fastene count rp59.22 47.436 and extent of signification 0,000 and extent of signification smaller than ( 0.05 ). It shows that the independent variable promotion, quality of the product  and aafter sales has influence significantly to interest in buying.
ANALISIS PENGARUH RAGAM MENU, PERSEPSI HARGA, LOKASI DAN KUALITAS LAYANAN TERHADAP MINAT BELI ULANG PADA SOTO SEDEEP BANYUMANIK CABANG AMBARAWA Aufa, Zan Denniar; Kamal, Mustofa
Diponegoro Journal of Management Volume 4, Nomor 4, Tahun 2015
Publisher : Faculty of Economics and Business Diponegoro University

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Abstract

Many new entrepreneurs, open a business in the culinary field. Soto Sedeep restaurant is one of them, the restaurant is located on Banyumanik which is a densely populated region and close to the campus. However, during the business, there are several constraints such as declining revenues in certain months. Researcher proposes the problem whether variety of menus, perception of price, location and quality of their services affect on consumer buying interest.In this study, researcher took 100 respondents. The sampling technique used in this research is non probability sampling. While the analysis tools using multiple regression technique.The result showed that the variety of menus variable is the most influential variable for consumer buying interest of 0.814, followed by the quality of service of -0.263, then the perception of the price of 0.253 and location of 0.071. From the four independent variables, quality service is the most negatively affect variable, while the other three are positively. And the location is the variable that does not significantly affect on buying interest. However from four independent variables, they jointly affect buying interest. The coefficient of determination in this study is 81.2%.
PERBANDINGAN SISTEM ECONOMIC ORDER QUANTITY DAN JUST IN TIME PADA PENGENDALIAN PERSEDIAAN BAHAN BAKU Hayundra Maharani, Mayora; Kamal, Mustofa
Diponegoro Journal of Management Volume 4, Nomor 2, Tahun 2015
Publisher : Faculty of Economics and Business Diponegoro University

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Abstract

As a publishing and printing company, the main raw material of CV Aneka Ilmu is the paper that used to print and to be made into a book or other products. In carrying out inventories of raw materials, the challenges faced by CV Aneka Ilmu is the storage of inventory control that the raw materials are not stored too big, that can caused the risks to damaged, obsolescences, and the loss of raw materials, as well as maintenance costs become higher and needs to be handle more. This study examines the raw material inventory control in the company, by comparing the two systems inventory. The purpose of this study was to compare the inventory system that has been carried out by CV Aneka Ilmu Semarang with two other inventory systems. The systems to be compared is Economic Order Quantity (EOQ) and  Just in Time (JIT), by comparing total inventory costs of each system to determine which of the systems that has the most efficient cost. The results indicate the best possibility for decision making in inventory system to CV Aneka Ilmu Semarang. The conclusion from this study that EOQ and JIT systems both more efficient in inventory cost compared to the company inventory sistem. But JIT system has cost efficiency level higher than EOQ system. In the inventory demand level of 1.550.530 rim, the company inventory sistem generates inventory cost by Rp 27.588.181,- compared to JIT that only has inventory cost by Rp 4.362.074.42,-, and can save costs about Rp 23.226.106,58,- or 84,19%. In this study also assumed there is tolerance (for damage, defect, and loss ) equal to 4% of the demand level was for 1.550.530 rim, become 1.612.551,2 rim. On the inventory demand level of 1.612.551,2 rim, both EOQ and JIT systems also more efficient in inventory cost compared to the company inventory system, but JIT system also more efficient compared to EOQ system. JIT system produce inventory cost amount Rp 4.471.288,079,- compared to company’s which is Rp 28.278.908,81,-. And with this JIT system can save up to Rp 23.807.620,73,- or 84,19% more efficient than company’s inventory cost.
Co-Authors Ainun Mutiara, Indah Badaruddin, Kemas Djatmika Djatmika, Djatmika Duski Ibrahim, Duski Elim, john Fauziah, Anisak Syaid febriansyah, yusuf Ledina Elta, Ledina Mayora Hayundra Maharani, Mayora Mohamad Yusuf Farhan, Mohamad Yusuf Neddy Sihombing, Neddy Nicko Bintang Aryatama, Nicko Bintang Rihasto Mega Saputro, Rihasto Sumarlam Sumarlam, Sumarlam Tohom, Andilo Vina Febria Syafira, Vina Febria Williams, Tane Zainum Ikhsan, Ramzi Zan Denniar Aufa, Zan Denniar