Judul: Effects  of  food  from  livestock  price  fluctuation to inflation in Bogor district
Abstrak: Inflasi di Kabupaten Bogor berfluktuatif. Kelompok yang berkontribusi besar yaitu kelompok bahan makanan, salah satunya pangan hewani asal ternak. Oleh karena itu, harga pangan hewani asal ternak menjadi isu penting di Kabupaten Bogor. Penelitian ini menganalisis harga komoditas pangan hewani asal ternak, yaitu daging ayam broiler (karkas), daging sapi has, daging sapi bistik, daging sapi murni, hati sapi, daging kambing/domba, telur ayam ras, telur ayam buras, telur itik, dan susu segar. Data yang digunakan adalah data time series bulanan periode Januari 2010 hingga Desember 2013. Tujuan penelitian ini adalah: 1) Menjelaskan perkembangan harga komoditas pangan hewani asal ternak di Kabupaten Bogor menggunakan analisis deskriptif; 2) Menganalisis dampak fluktuasi harga komoditas pangan hewani asal ternak terhadap inflasi di Kabupaten Bogor menggunakan model VAR (Vector Autoregression). Hasil dari analisis deskriptif menunjukkan bahwa selama 2010-2013, perkembangan harga komoditas daging ayam broiler (karkas), daging sapi has, daging sapi bistik, daging sapi murni, hati sapi, daging kambing/domba, dan telur ayam ras cenderung meningkat, sedangkan komoditas telur ayam buras, telur itik dan susu segar cenderung stabil. Hasil analisis VAR menunjukkan bahwa pada jangka panjang, fluktuasi harga berdampak terhadap inflasi terutama pada komoditas daging sapi murni dan telur ayam ras, diikuti oleh telur ayam buras, daging ayam broiler (karkas), daging sapi has, susu segar, telur itik, dan daging kambing/domba. Adapun komoditas daging sapi bistik dan hati sapi tidak berdampak secara signifikan terhadap inflasi., Bogor District has a fluctuative inflation. The highest inflation is contributed by food category, especially food from livestock. Therefore, the price of the food from livestock became an important issue in Bogor District. This research analyze the prices of food from livestock, such as broiler meat (carcass), filet beef, beefsteak, beef, beef livers, mutton, layer egg, native chicken egg, duck egg, and fresh milk. The data used are monthly time series data from January 2010 to December 2013. The purpose of this research are: 1) to describe the development of food from livestock price in Bogor District using descriptive analysis, 2) to analyze the effects of food from livestock price fluctuations on inflation in Bogor District using VAR (Vector Autoregression) model. The result of descriptive analysis shows that in 2010-2013 the prices of broiler meat (carcass), filet beef, beefsteak, beef, beef livers, goat meat, and layer egg have an upward trend, while native chicken egg, duck egg, and fresh milk have a stable trend. The result of VAR (Vector Autoregression) analysis shows that in the long term, price fluctuation effected on inflation of Bogor District, especially beef and layer egg, followed by native chicken egg, broiler meat (carcass), filet beef, fresh milk, duck egg, and mutton. The beefsteak and beef livers are not significantly effect on inflation.
Keyword: fluktuasi, harga pangan hewani asal ternak, inflasi, VAR

Judul: Dampak Kenaikan Harga Daging Sapi terhadap Pola Konsumsi Pangan Sumber Protein Hewani di Kabupaten Bogor.
Abstrak: One kind of food which has important role in developing the food security and create human resources who has healthy quality is food animal proteins. The government is targeting food consumption of animal protein as much as 7.2 g/capita/ day in 2014. Food sources of animal protein can be derived from livestock or fishery products like ruminant meat, poultry, fish, eggs, and milk. This study aims to analyze the pattern of household consumption in Bogor Regency, analyze the level of demand elasticity, and perform simulations to analyze the impact of higher prices for meat. The data used comes from SUSENAS 2012 with 1125 households in Bogor Regency. The analytical method used was descriptive analysis and model of Almost Ideal Demand System (AIDS). The analysis showed that the type of ruminant meat consumption group was very inelastic and have a lower level of consumption than other animal protein foods. People in Bogor Regency consume more fish than ruminant meat. Increasing the prices of beef could make other public consumption for food source of animal proteins is down. Food protein consumption for the people of Bogor regency have met the target set by the government
Keyword: SUSENAS, inelastic, consumption patterns, animal protein, AIDS

Judul: Pembuatan Film Tipis Cu2ZnSnS4 sebagai Lapisan Penyerap Cahaya pada Sel Surya Menggunakan Metode Elektrodeposisi
Abstrak: Thin film of Cu2ZnSnS4 (CZTS) is an alternative semiconductor used as light absorber layer on solar cell. CZTS can replace silicon that commonly used as commercial semiconductor. The advantage of using CZTS as absorber layer is due to the abundance of its chemical composer on earth, and its high value of absorption coefficient. The absorber layer was made by using electrodeposition method on ITO glass substrates. The films were deposited at room temperature using potentiostatic mode with a potential of –1.05 V for 30, 45, and 60 minutes. After that, the films were annealed at two different temperatures, 180 ºC and 500 °C, for 45 minutes in N2/H2S atmosphere. Based on X-ray diffraction analysis, the polycrystalline thin film obtained fall into kesterite crystal phase. This type of crystal was obtained when the CZTS was annealed at 500 °C in H2S/N2 atmosphere. The value of optical band gap energy for the CZTS thin film was 2.2 eV with the film thickness about 1.228–6.366 μm. The sample of CZTS with electrodeposition time of 45 minutes and annealing temperature of 500 °C showed the best result and in conformity with absorber layers criteria for solar cells.
Keyword: semiconductor, ITO glass, CZTS thin film, electrodeposition