Official Interventions and Occasional Violations of Uncovered Interest Parity in the Dollar-DM Market

This paper presents a model of exchange rate determination in which the forward premium anomaly emerges as the result of unanticipated central bank interventions in the foreign exchange market. Deviations from uncovered interest parity (UIP) therefore represent neither unexploited profit opportunities nor compensation for bearing risk. In simulations, the model generates a forward premium anomaly and matches several other notable features of US-German data. Additional empirical support is obtained from an analysis of Fed and Bundesbank interventions in the dollar—DM market where it is found that the forward premium anomaly intensifies during those times when a central bank intervenesForward premium anomaly, foreign exchange intervention

Uji Coba Penggunaan Video Pembelajaran sebagai Upaya Peningkatan Kemampuan Menggambar Karikatur

Latar belakang penelitian yaitu membantu guru seni budaya SMAN 1 Prambon yang mengalami keterbatasan dalam hal menyampaikan materi tentang seni rupa murni terutama dalam materi menggambar karikatur. Tujuan pembelajaran yaitu untuk mengetahui kefektifan media video pembelajaran dalam meningkatkan kemampuan menggambar karikatur siswa. Metode yang digunakan dalam penelitian ini adalah metode observasi, angket, wawancara, dan penelitian dengan non tes. Teknik analisis data yang digunakan yaitu teknik analisa tes hasil belajar siswa, analisa hasil observasi dan respon siswa, penarikan kesimpulan berdasarkan permasalahan penelitian. Aktivitas guru tanpa menggunakan media video pembelajaran (pre-test) memperoleh prosentase 89%. Prosentase aktivitas guru pada saat menggunakan media video pembelajaran (post-test)  sebesar 90%. Aktivitas siswa tanpa media video pembelajaran (pre-test) memperoleh prosentase 67%. Sedangkan prosentase aktivitas siswa pada saat menggunakan video pembelajaran (post-test)  menjadi 92%. Rerata ketuntasan hasil belajar siswa dalam satu kelas adalah ≥ 70. Tanpa menggunakan media video pembelajaran rerata hasil belajar siswa yang diperoleh yaitu 60 (kriteria kurang). Setelah menggunakan media video pembelajaran rerata hasil belajar siswa menjadi 75 (kriteria tuntas). Kata Kunci: media, video, karikatur, hasil belajar.                                                                       The background of the research is to help the art and culture teachers of SMAN 1 Prambon who have problem to give materials of fine art, especially drawing caricature. The purpose of the research is to recognize the affectivity of video as the media in learning process, to increase the students’ ability in drawing caricature. The method applied in the research is observation method, questionnaire, interview and non-test research. The data technique analysis is analysis technique of students’ learning, observation result, students’ response and the conclusion based on research problems.  Teacher’s activity without video learning media (pre-test) got 89% prosentage and with video learning media (post-test) got 90%. The students’ activity without video learning media applied (pre-test) is 67 % and the activity of the students with video as learning media (post-test) is 92%. The completeness of learning of the students in the class is ≥ 70. The average of learning result without the video leaning media is 60 (less criteria) while applying the video learning media, the result is 75 (complete criteria). Keywords: media, video, caricatures, learning outcom

Earth Pressures on Walls of a Deep Excavation

This paper reports recorded earthpressures acting on diaphragm walls during a deep excavation carried out in a soft ground and discusses factors affecting the readings. The main theme of the paper is on wall friction and its influence on vertical earthpressures. It can be demonstrated that the assumption normally adopted in the design of the retaining structures for braced excavations that the vertical earthpressures equal to the overburden pressures could be erroneous. As a result, the vertical pressures on the active side are often over- estimated and those on the passive side under-estimated. In conclusion, it is appropriate for soft to medium stiff sites to assume that the angle of wall friction equals to the angle of internal friction of soils in computing the limiting active and passive earth pressur.es for designing the retaining structures of braced excavations

Performance of Diaphragm Walls in Deep Foundation Excavations

Two case studies of using diaphragm wall as earth retaining structure for deep excavation are reported. Case A concerns excavation down to a depth of 14.7 min alternate layers of soft silty clay and silty sand. Diaphragm walls of 70 m thick and 22 m deep were installed into a dense silty sand stratum. In Case B, diaphragm walls of 60 m thick were constructed in very soft clayey soil without penetration into any firm stratum. In both cases, instrumentations including piezometers, inclinometers, earth pressure cells, reinforcing bar transducers, heave stakes, settlement points and strut strain gauges were installed and monitored throughout the construction. Comparison of predictions based on simplified theory and empirical relationships were made with the actual performance behavior of the diaphragm wall and the subsoils. It was found that elastic mode of soil-wall system can reasonably predict the behavior of diaphragm wall. In sandy soils, arching effect has significant effect on the magnitude and distribution of earth pressure on the wall. With the assistance of instrumentation monitoring during excavation work, factor of safety against base failure as low as 1.05 was used in the design

Kajian Penerapan Teknologi Produksi pada USAhatani Kopi Robusta di Lokasi Prima Tani Kabupaten Pasuruan

Assessment on Application of Technology in Farming Production of Robusta Coffee in PrimaTani Location in Pasuruan District. Coffee is main commodity in desa Tutur, Prima Tani location of kabupatenPasuruan, East Java. The low coffee productivity and high leaf rust severity are still coffee farming problems.Accordingly, on Prima Tani activity introduced a technology innovation formulated in an assessment. Theobjective of the assessment was to know the effect of recommended production technology towards leaf rustseverity and coffee productivity. Assessment was conducted since September 2007 till September 2008, usinga separate plot design with two treatments. The treatments assessed were recommended production technology(T1), and farmer's practices (T2). Each treatment was applied on Five farmer's Robusta coffee planting (2.5 haand 5-10 years age, 1,000 trees/ha) as a replicate, following 10 farmers participatory. Data of leaf rust severity,production and cost production were collected to be analyzed statistically and economically to identify thefarming profit. The result of the assessment showed that the recommended production technology decrease theleaf rust severity of 60%, increase the coffee productivity of 89,5%, and increase the farming profit of 120%.Key words: Production technology, coffee farming, leaf rust disease, productivityKopi adalah komoditas unggulan di lokasi Prima Tani Desa Tutur Kabupaten Pasuruan, Propinsi JawaTimur. Rendahnya produktivitas dan tingginya penyakit karat daun masih merupakan kendala pada budidaya kopi.Untuk itu pada kegiatan Prima Tani dilakukan introduksi inovasi teknologi dalam bentuk suatu pengkajian. Tujuanpengkajian adalah mengetahui kinerja teknologi produksi rekomendasi terhadap perkembangan penyakit karatdaun dan produktivitas tanaman kopi. Pengkajian dilaksanakan mulai September 2007 sampai dengan September2008, menggunakan rancangan petak terpisah, terdiri dari dua perlakuan yaitu: (1) penerapan teknologi produksisesuai rekomendasi (T1), dan (2) penerapan teknologi petani (T2). Masing-masing perlakuan diterapkan padalima kebun kopi Robusta (sebagai ulangan) seluas 2,5 ha, umur tanaman kopi 5-10 tahun, melibatkan 10 petanisecara partisipatif. Rata-rata populasi tanaman kopi 1.000 pohon/ha. Data yang dikumpulkan meliputi tingkatkerusakan tanaman oleh penyakit karat daun yang didasarkan pada skor kerusakan, produksi, dan biaya produksi.Data dianalisis secara statistik, dan ekonomis untuk mengetahui keuntungan USAhatani. Hasil kajian menujukkanbahwa kinerja teknologi produksi rekomendasi menurunkan tingkat kerusakan tanaman oleh penyakit karatdaun rata-rata 60%, serta meningkatkan produktivitas 89,5%, dan meningkatkan pendapatan USAhatani 120%

Penerapan Metode Six Sigma dan Perbaikan Kerja pada Pengendalian Kualitas Sepatu CV. Cir

CV. CIR adalah Perusahaan yang bergerak dalam produksi Sepatu. Kendala yang dihadapi oleh Perusahaan ini adalah Proses produksi yang dilakukan tiap harinya masih belum memenuhi standar, karena masih banyak ditemui variasi dalam proses produksi yang mengakibatkan produk repair dan rework. Untuk itu perlu dilakukan perbaikan kualitas produk tersebut. Dalam hal ini metode yang digunakan yaitu dengan menggunakan metode six sigma sebagai alat perbaikan kualitasnya. Hasil pengumpulan data yang diperoleh menunjukkan rata-rata defect sebesar 1,7% setiap bulannya. Kemudian dari referensi data tersebut dilakukan analisa. Hasil analisa dengan Pareto Diagram diperoleh bahwa foxing bonding merupakan jenis cacat tertinggi dengan persentase sebesar 21,8%. Dan ada 4 unsur yang mempengaruhi jenis cacat tersebut yaitu: unsur man, machine, method dan material. Melalui analisa FMEA, didapatkan bahwa nilai Risk Priority Number (RPN) tertinggi yaitu 432. Penyebabnya operator kurang teliti dalam pengoperasian mesin. Nilai tersebut merupakan mode kegagalan paling kritis dan dijadikan sebagai prioritas utama sehingga perlu dilakukan perbaikan. Usulan perbaikan yang diajukan yaitu dengan memberikan pelatihan kepada Karyawan dan juga membuat standar operasi prosedur yang mudah dipahami oleh para karyawan. &nbsp

Single-Walled Carbon Nanotube–Metalloporphyrin Chemiresistive Gas Sensor Arrays for Volatile Organic Compounds

National Science Foundation (U.S.) (DMR-1410718)National Science Foundation (U.S.) (1122374)Massachusetts Institute of Technology. Institute for Soldier NanotechnologiesUnited States. Defense Advanced Research Projects Agency (W911NF-14-1-0087

MPIFA: A Modified Protocol Independent Fairness Algorithm for Community Wireless Mesh Networks

Community Wireless Mesh Networks (WMN) is a paradigm in wireless communication of 21st centuary as means of providing high speed braodband access. Un-cooperative nodes, both selfish and malicious proves to be a significant threat in Community WMN that require a solution independent of routing protocols being used. We propose to implement Modified PIFA (MPIFA), an Improved version of Protocol Independent Fairness Algorithm (PIFA) proposed by Younghwan Yoo, Sanghyun and P. Agrawal [6] with ability to cater specific requirements in Community WMN. MPIFA has malicious nodes detection rate improvement of 50% when nodes demonstrate low probabilistic malicious behavior of 10% to circumvent the security measures in place. Improvements were also made to reduce false malicious node detections to 4% when node-to-node link failures occur in Community WMN.Comment: Innovative Technologies in Intelligent Systems and Industrial Applications(CITISIA) 200

The Effect of Green Marketing, Brand Image, And Service Quality on The Decision to Stay at Greenhost Boutique Prawirotaman Yogyakarta

This study aims to determine the effect of Green Marketing, Brand Image, and Service Quality on the Decision to Stay at Greenhost Boutique Prawirotaman, Yogyakarta. The subjects in this study were consumers who had stayed at Greenhost Boutique Prawirotaman, Yogyakarta, in the DKI Jakarta area. The sample used in this study was 170 respondents. The sampling method was carried out by the purposive sampling method. This study uses SEM data analysis techniques and data processing using PLS. This study indicates that Green Marketing has a positive and significant effect on the decision to stay, brand image has a positive and significant effect on the decision to stay, and service quality has a positive and significant effect on the decision to stay. Keywords: green marketing, brand image, service quality, decision to stay DOI: 10.7176/NMMC/99-05 Publication date:November 30th 202