If you would like to write for this, or any other Emerald publication, then please use our Emerald for Authors service information about how to choose which publication to write for and submission guidelines are available for all. Please visit www.emeraldinsight.com/authors for more information. About Emerald www.emeraldinsight.comEmerald is a global publisher linking research and practice to the benefit of society. The company manages a portfolio of more than 290 journals and over 2,350 books and book series volumes, as well as providing an extensive range of online products and additional customer resources and services.Emerald is both COUNTER 4 and TRANSFER compliant. The organization is a partner of the Committee on Publication Ethics (COPE) and also works with Portico and the LOCKSS initiative for digital archive preservation. AbstractPurpose -The aim of this paper is to propose a simulation study of the "steel supply chain" to demonstrate the effect of inventory management and demand variety on the bullwhip effect mitigation. Design/methodology/approach -The relevant literature is reviewed, and then the simulation model proposed.Findings -This study identifies reasons for sharing information under varying levels of demand and some variants, and demonstrates the benefits of mitigating the bullwhip effect by applying a design of experiment. It is shown that the information sharing is able to mitigate the bullwhip effect in the steel supply chain by extending the order interval and minimising the order batch size. Research limitations/implications -This study explores the factors associated with the bullwhip effect. This research is focused on built-to-order simulation, so the results are only oriented on the basis of orders; hence a simultaneous order-and forecast-based steel supply chain should be carried out in the future. Practical implications -This framework is expected to provide a convenient way to measure the optimum inventory level against a limited level of demand uncertainty, and thus enterprises can promote the supply chain coordination. Originality/value -An innovative simulation model of the "steel supply chain" is proposed, which includes information sharing in the simulation model. Furthermore, dynamic scheduling is shown by applying a continuous ordering and order prioritization rule to replace traditional scheduling methods.
AbstrakMakanan jajanan pada siswa sekolah masih banyak yang bermutu rendah sehingga keterampilan anak dalam memilih memegang peran penting dalam mendapatkan jajanan yang sesuai dengan kebutuhannya. Penelitian ini bertujuan untuk menilai mutu jajanan siswa sekolah dan mengidentifikasi faktor-faktor yang menentukan pemilihan jajanan. Penelitian dilakukan dengan menggunakan desain cross sectional pada 120 siswa sekolah dasar di Kota Batu yang dipilih secara purposif pada bulan September hingga Desember 2009. Mutu jajanan sekolah diperiksa di laboratorium. Siswa diminta untuk menjawab 28 pertanyaan tentang pemilihan jajanan. Data yang diperoleh diolah dan dianalisis dengan uji analisis faktor. Hasil penelitian menunjukkan bahwa pada umumnya jajanan pada siswa sekolah mengandung energi di bawah standar (300 Kkal/porsi). Komposisi bahan penyusun jajanan kurang bervariasi. Sebagian besar jajanan (71,4%) mengandung formalin. Faktor utama yang menentukan pemilihan jajanan di sekolah mencakup variabel harga, hadiah, ukuran porsi, aroma, dan kebebasan menentukan pilihan sendiri. Dari hasil penelitian dapat disimpulkan bahwa kandungan gizi dan keamanan jajanan anak sekolah perlu ditingkatkan. Determinan utama pemilihan jajanan didominasi aspek harga, hadiah, dan cita rasa. Untuk membuat jajanan yang bergizi dan aman disarankan pembuatan dilakukan dengan menggunakan bahan pangan dan teknologi lokal. Selain itu, juga diperlukan penegakan hukum terkait dengan penggunaan bahan berbahaya dalam jajanan siswa sekolah.Kata kunci: Jajanan, kandungan gizi, siswa sekolah Abstract Snacks of poor qualities which still predominate foods sold in school highlights the importance of skill in choosing healthy foods. This research was aimed to examine the quality of snack and determine factors that contribute to children's food choice. The study was conducted using cross sectional design on purposefully selected 120 school children from four elementary schools in Kota Batu in September to December 2009. School snacks were 489 collected for laboratory analyses. The children were asked to the extent they agree or disagree with 28 questions on snack choice. The collected data were analysed using factor analysis test. The study revealed that the energy content of the snacks was generally below standard (300 Kcal/serving). The snacks were in most cases made of less diverse food ingredients while 71.4% samples contained formaldehyde. The children choice to snacks were primarily determined by factor including price, gimmick, serving size, flavor, and freedom to choose their own snacks. It is concluded that both snack quality and safety should be improved. Determining factors to snack choice mainly cover price, gimmick, and food sensory qualities. Snacks made of local mixed-ingredients should be promoted to decrease the price while regulations on providing better and safer foods should be seriously enforced. Keywords: Snacks, nutrition ingredients, school children PendahuluanMakanan jajanan sekolah berkontribusi signifikan mencapai 20% -31,1% kebutuh...
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