Judul: The Influence of Foreign Direct Investment on Welfare Inequality in West Java Province
Abstrak: Berdasarkan data BPS selama 5 tahun terakhir, Koefisien Gini Provinsi Jawa Barat mencatatkan angka di atas 0,4 atau lebih tinggi dari standar yang digunakan oleh organisasi dunia. Di sisi lain Provinsi Jawa Barat merupakan salah satu provinsi dengan penanaman modal asing tertinggi di Indonesia. Tujuan dari penelitian ini adalah untuk menguji hubungan antara tingkat penanaman modal asing (PMA) yang dikelompokkan sesuai sektor yaitu PMA sektor primer, sekunder dan tersier terhadap ketimpangan di Provinsi Jawa Barat. Penelitian juga memasukkan variabel lain yaitu tingkat partisipasi angkatan kerja dan upah minimum kabupaten/kota ke dalam model. Metode yang digunakan adalah Random Effect Model (REM). Hasil dari penelitian ini adalah peningkatan PMA sektor sekunder dan tingkat partisipasi angkatan kerja berpengaruh signifikan dalam mengurangi ketimpangan, sementara peningkatan upah minimum kabupaten/kota berpengaruh signifikan dalam meningkatkan ketimpangan., Based on BPS data for the last 5 years, the Gini Coefficient for West Java Province has recorded a figure above 0.4 or higher than the standard used by world organizations. On the other hand, West Java Province is one of the provinces with the highest foreign direct investment in Indonesia. The purpose of this study was to examine the relationship between the level of foreign direct investment (FDI) grouped according to sector, which are FDI in the primary, secondary, and tertiary sectors on inequality in West Java Province. The research also incorporates other variables, which are the labor force participation rate and district/city minimum wages into the model. The method used is the Random Effect Model (REM). The results of this study are that an increase in secondary sector FDI and the labor force participation rate have a significant effect on reducing inequality, while an increase in district/city minimum wages has a significant effect on increasing inequality.
Keyword: fdi, gini, labor, wage

Judul: Dampak Investasi Terhadap Kinerja Perekonomian: Studi Komparasi Penanaman Modal Dalam Negeri dan Penanaman Modal Asing di Jawa Timur
Abstrak: Domestic and foreign investment play an important role in the East Java economy. However, within these past five years the growth of both types of investment has been fluctuated and tends to decrease. One of the objectives research is to analyze factors affected economic variables of East Java province: Gross Regional Domestic Product (GRDP), inflation and unemployment. This research is conducted using econometric model that formulated in simultaneously equation with approximated Two Stage Least Squares (2SLS). Results of this study show that GRDP is influenced by real domestic investment, a change in real foreign investment, time trend, dummy of decentralization and the last year GRDP. Inflation is influenced by GRDP, time trend and the last year inflation. Unemployment is affected by real domestic investment, time trend and the last year unemployment. The simulation also shows that an increase in domestic and foreign investment have the same positif impact on GRDP and inflation but negative impact on unemployment. Further, foreign invesment has a greater impact on GRDP and unemployment compared to domestic invesment, conversly.
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Judul: Synthesis of Apatite - Chitosan Composite Using Duck Eggshell and Chitosan with Temperature and pH Control
Abstrak: Composite of apatite-chitosan was prepared by using chitosan as polymer matrix. Calcium phosphate was prepared from CaO and (NH4)2HPO4, which the ratio Ca : P had to be 1.67. Chitosan is produced by deacetilase from biopolymer chitin. Duck eggshell (95% CaCO3) as starting material was converted to be calcium oxide (CaO) through calcinations with temperature 1000oC for 5 hours. In-situ and ex-situ methods were prepared from apatite and chitosan (dissolved with acetate acid 2%). Calcium phosphate prepared for bone implantation, but it is too fragile and brittle to be implant into the body. So addition of chitosan can decrease crystalinity and increase mechanic characteristic (tougher). Composite apatite-chitosan was resulted by fast precipitation. Fast precipitation was held in a breaker glass with nitrogen atmosphere, under controlled temperature at 37oC and pH 7, in order to increase amount of hydroxyapatite. Precipitation with CaO which was dropped by (NH4)2HPO4. Hydroxyapatite and chitosan were appearing at samples with in-situ and ex-situ methods which indicating by peak matching of XRD (closed lattice parameter, crystal size), overlapping at FTIR spectra and supporting by SEM picture (homogenous and agglomerated particle). However, it still needs further research to examine biocompatibility osteoconductive degree of sample by in-vivo and in-vitro test.
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