Muhamad Abduh, Muhamad
Department of Economics, International Islamic University Malaysia

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Model Penilaian Kewajaran Harga Penawaran Kontraktor dengan Sistem Evaluasi Nilai Abduh, Muhamad; Wirahadikusumah, Reini D
Jurnal Teknik Sipil Vol 12, No 3 (2005)
Publisher : Institut Teknologi Bandung

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Abstract

Abstrak. Proses pemilihan rekanan menjadi salah satu kunci kesuksesan pembangunan fasilitas fisik. Kriteria pemilihan harus ditentukan berdasarkan pertimbangan yang objektif dan menguntungkan bagi pemilik tanpa mengabaikan kepentingan pelaksana konstruksinya. Metoda penilaian penawaran calon pelaksana konstruksi dalam suatu pelelangan sering menggunakan kriteria ”biaya terendah.” Walaupun parameter ini sangat relevan tetapi terkadang dianggap kurang memadai. Sistem evaluasi penawaran menggunakan sistem nilai dapat menjadi alternatif apabila aspek teknis perlu dipertimbangkan sejalan dengan nilai penawaran biayanya. Penggunaan sistem nilai perlu dilakukan secara hati-hati, penentuan kriteria kombinasi aspek teknis dan harga harus bersifat objektif, kuantitatif, dan dapat ipertanggung jawabkan. Dalam makalah ini diajukan suatu model penilaian kewajaran harga penawaran sebagai komponen penilaian aspek harga dalam sistem nilai khususnya untuk kontrak harga tetap (lump sum). Pendekatan yang digunakan dalam pengembangan model penilaian kewajaran harga penawaran tersebut adalah gabungan antara faktor tingkat keyakinan estimasi biaya pemilik (atau Harga Perkiraan Sendiri, HPS) dan faktor variasi penawaran yang diajukan oleh para penawar. Model ini kemudian diuji-cobakan untuk studi kasus pengadaan suatu pembangunan gedung bertingkat. Hasil studi kasus menunjukkan bahwa model yang dikembangkan dapat digunakan sesuai dengan tujuan pihak pemilik, yaitu pemenang adalah peserta yang mengajukan penawaran yang cukup rendah namun wajar. Analisa sensitivitas dilakukan untuk mengetahui pengaruh variasi dari beberapa variabel yaitu: tingkat kepercayaan terhadap HPS; jumlah penawaran rendah; dan jumlah penawaran tinggi. Analisa sensitivitas menjelaskan bahwa untuk studi kasus, keputusan pemenang lelang tidak sensitif terhadap perubahan dalam tiga variabel tersebut. Abstract. Procurement is a significant factor for successful completion of a construction project. The bidding criteria have to be determined objectively and fairly for both the owner and the contractors. “Lowest bidder” is the most commonly used in public project procurement. While it is a valid factor, in some cases it is considered insufficient in projects where technical aspects are important in the evaluation process. An alternative method is the merit system, i.e., the determining factor is the combination of the scores awarded for the cost and the technical proposal with predetermined weights. The set of evaluation criteria (including the weights and the scores) should be objective, quantitative, and verifiable. In this paper, a model focusing on the evaluation of the aptness of a cost proposal is proposed for a tender process using the merit system on a lump sum contract scenario. A cost proposal is compared to both the owner’s estimate and its peers. The model basically involves two principals: the level of confidence in the owner’s estimate; and the variations of cost proposals. The model has been tested on a tender process of a low-rise building. The case study has been satisfactory, the winner was the contractor proposing low and “fair” cost. Sensitivity analyses have been performed for several factors: the level of confidence in the owner’s estimate; the number of proposals with low costs; the number of proposals with high costs. The analyses showed that the decision for the case study was not sensitive to the variations in those factors.
Faktor-faktor Keberhasilan Kritis Pengelolaan Teknologi Informasi pada Kontraktor di Indonesia Hikmawati, Hikmawati; Abduh, Muhamad
Jurnal Teknik Sipil Vol 11, No 4 (2004)
Publisher : Institut Teknologi Bandung

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Abstract

Abstrak. Industri konstruksi saat ini menghadapi banyak tantangan ketika memasuki era globalisasi. Salah satu tantangan pada industri konstruksi adalah persaingan yang semakin ketat dan dorongan untuk selalu dapatberadaptasi dengan perubahan Salah satu strategi yang telah lama dilakukan untuk meningkatkan efisiensi dan efektifitas proses yang terjadi di dunia konstruksi, misalnya dengan mengadopsi teknologi informasi. Teknologi informasi saat ini menjadi salah satu primadona teknologi yang banyak diadopsi oleh hampir seluruh industri dan dipercayai dapat membantu meningkatkan efisiensi dan efektivitas proses yang berlangsung serta meningkatkan kualitas produk pada industri-industri tersebut. Demikian pula halnya industri konstruksi meskipun masih lambat dalam mengadopsi perkembangan teknologi informasi dan komunikasi ini. Beberapa perusahaan konstruksi, seperti kontraktor yang telah mulai mencoba untuk teknologi informasi (TI) ini, menghadapimasalah dengan tidak mendapatkan hasil yang optimal dari adopsi tersebut. Hal ini diakibatkan oleh lemahnya sistem pengelolaan TI itu sendiri, baik dari segi perencanaan, perancangan, implementasi, evaluasi dan pemeliharaan. Penelitian ini bertujuan untuk mengidentifikasi faktor-faktor keberhasilan kritis dalam pengelolaan teknologi informasi khususnya pada kontraktor di Indonesia, yang meliputi strategi perencanaan, perancangan, implementasi, evaluasi dan pemeliharaan. Penelitian dilakukan dengan menggunakan metode critical succes factormelalui survei berupa penyebaran kuesioner kepada 107 kontraktor yang tergabung dalam Asosiasi Kontraktor Indonesia. Hasil survei menunjukkan bahwa dari 47 faktor keberhasilan yang teridentifikasi terdapat 38 faktorkeberhasilan kritis yang dapat digunakan sebagai salah satu strategi kontraktor dalam mengelola teknologi informasi. Selain itu, faktor-faktor keberhasilan kritis tersebut juga dapat dimanfaatkan sebagai variabel untuk menilai kinerja kontraktor di Indonesia dalam mengelola teknologi informasi di perusahaannya. Abstract. Entering globalization era, contractors face many challenges, as the forces to continually adapt the changes in the very high competitive market increase. One of the strategies that is believed can answer the challenges is to improve the efficiency and effectiveness of the business processes by adopting information technologies (IT). The construction industry, like other industries, has entered the information age by using IT in a variety of ways. Yet many construction firms, that have adopted IT, faced many problems related to how to get the best of IT adoption into their business processes. IT is still used merely as supporting tools and there are many limitations to its current use in construction. It is believed that the problem lay on poor management of IT by contractors. This paper discusses a research that has been conducted to identify the critical  success factors in managing IT by Indonesian contractors. The success factors were developed based on important and necessary stages ofmanaging IT, i.e. planning, implementation, maintenance, and evaluation. The research used a self-administered questionnaire to collect opinions from 107 Indonesian contractors that are members of Indonesian Contractors Association (AKI) on the importance of each suggested factor in contributing to the successful IT management in contractors’ environment. By knowing those critical success factors, contactors can focus their efforts in managing IT to the most significant strategy to reap the benefit of IT in supporting their business process. On the other hand, the identified critical success factors can also be used as variables in evaluation of contractors’ performance in managing IT. Furthermore, the contractors can use this evaluation system to measure their performance to the others as a mean to improve their competitive advantages.
Profitability Determinants of Kuwait Banking Industry: Comparative Analysis between Islamic and Conventional Banks Abduh, Muhamad; Issa, Mohamed Saeed
IQTISHADIA Vol 11, No 1 (2018): IQTISHADIA
Publisher : Ekonomi Syariah IAIN Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21043/iqtishadia.v11i1.2834

Abstract

This study is aimed at evaluating the impact bank specific and macroeconomic variables including the global financial crisis upon the performance of Islamic and conventional banks in Kuwait. The data are collected from nine banks operated in Kuwait over the period of 2005 to 2012 with four of them are Islamic banks and five are conventional banks. The ROA and ROE are used to measure profitability while the size, credit risk, bank diversification, efficiency, capital strength, and liquidity were used to measure bank specific variables. There are also three external variables that would be used to measure macroeconomic condition i.e. GDP growth, inflation, and financial crisis. The findings from pooled OLS have shown that credit risk, liquidity and efficiency significantly affecting profitability for both Islamic and conventional banks. For macroeconomic conditions, GDP is positively significantly affecting profitability of Islamic banking sector, while inflation is negatively affecting the profitability of conventional banking sector. The result also evidence that Islamic banking sector is more stable than the conventional banking sector in terms of their performance during and after the crisis period.
Bank Selection Criteria and SERVQUAL Survey among Muslims in Mauritius Abduh, Muhamad; Ramjaun, Shaheen Bibi; Mustaqim, Muhamad
QIJIS Vol 6, No 2 (2018)
Publisher : IAIN Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21043/qijis.v6i2.3756

Abstract

As a Muslim minority country located far off the east coast of South Africa, Mauritius has successfully introduced Islamic finance since 1998. However, the development is not as expected since two Islamic banking windows were closed down and the only Islamic commercial bank in the country has been struggling hard in order to generate favorable expected profits. The aims of this study are to investigate the bank selection criteria among Muslims in Mauritius and to evaluate the customer satisfaction upon the Islamic banking service quality in the country. The findings show that privacy, easy access, service quality, facilities, transparency and bank reputation are the factors influence Muslim Mauritian to patronize bank and interestingly religion and religiosity are out of it. The importance – performance analysis is used to provide an interesting visual analysis on the service quality items examined. The findings suggest that Islamic banks must improve their Tangible and Reliability aspects in order to satisfy the customers and eventually become more profitable.
ISLAMIC FINANCE-ECONOMIC GROWTH NEXUS IN BANGLADESH: AN ARDL APPROACH Tabssum Chowdhury, Nazreen; Abduh, Muhamad
AL-INFAQ Vol 3, No 1 (2012)
Publisher : Ibn Khaldun University, Bogor

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Abstract

THE IMPACT OF US MONETARY POLICY AND STOCK MARKETS TOWARD INDONESIA STOCK MARKETS Abduh, Muhamad
AL-INFAQ Vol 2, No 1 (2011)
Publisher : Ibn Khaldun University, Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (290.348 KB)

Abstract

Profitability Determinants of Kuwait Banking Industry: Comparative Analysis between Islamic and Conventional Banks Abduh, Muhamad; Issa, Mohamed Saeed
IQTISHADIA Vol 11, No 1 (2018): IQTISHADIA
Publisher : Ekonomi Syariah IAIN Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21043/iqtishadia.v11i1.2834

Abstract

This study is aimed at evaluating the impact bank specific and macroeconomic variables including the global financial crisis upon the performance of Islamic and conventional banks in Kuwait. The data are collected from nine banks operated in Kuwait over the period of 2005 to 2012 with four of them are Islamic banks and five are conventional banks. The ROA and ROE are used to measure profitability while the size, credit risk, bank diversification, efficiency, capital strength, and liquidity were used to measure bank specific variables. There are also three external variables that would be used to measure macroeconomic condition i.e. GDP growth, inflation, and financial crisis. The findings from pooled OLS have shown that credit risk, liquidity and efficiency significantly affecting profitability for both Islamic and conventional banks. For macroeconomic conditions, GDP is positively significantly affecting profitability of Islamic banking sector, while inflation is negatively affecting the profitability of conventional banking sector. The result also evidence that Islamic banking sector is more stable than the conventional banking sector in terms of their performance during and after the crisis period.