Judul: The Influence of Financial Literacy on ASN Investment Decisions in Jabodetabek with Overconfidence as a Mediating Variable
Abstrak: Lebih dari satu dekade, ekonomi nasional masih digerakan secara dominan oleh konsumsi domestik. Kontribusinya adalah sebesar 54,42% atau lebih dari separuh PDB nasional sepanjang 2021. Sebesar 57,65% pada 2020 dan 51,47% pada kuartal II 2022. Sementara, kontribusi investasi hanya 30-40% saja, padahal investasi terbukti mampu menumbuhkan iklim bisnis, membuka lebih banyak lapangan kerja dan pada gilirannya akan mendukung pertumbuhan daya beli dan konsumsi rumah tangga. Dalam hal melakukan investasi, terdapat beberapa hal yang harus diperhatikan seperti literasi keuangan yang dimiliki oleh seseorang. Penelitian ini bertujuan untuk menguji pengaruh literasi keuangan terhadap keputusan investasi aparatur pemerintah di Jabodetabek dengan faktor demografi sebagai variabel kontrol. Penelitian ini juga menguji peran terlalu percaya diri sebagai variabel mediasi dalam hubungan ini. Pengumpulan data menggunakan metode simple random sampling dengan menggunakan kuesioner melalui survei online kepada 194 responden. Analisis data dilakukan dengan teknik Structural Equation Modeling (SEM) dengan bantuan alat analisis Partial Least Square (PLS). Hasil penelitian menunjukkan bahwa literasi keuangan berpengaruh positif signifikan secara langsung dan tidak langsung terhadap keputusan investasi. Studi ini memberikan bukti dan wawasan berharga tentang bagaimana pejabat pemerintah mengambil keputusan investasi., For more than a decade, the national economy is still dominated by domestic consumption. Its contribution is 54.42% or more than half of national GDP throughout 2021. It is 57.65% in 2020 and 51.47% in the second quarter of 2022. Meanwhile, the investment contribution is only 30-40%, even though investment has proven capable growing the business climate, opening up more job opportunities and in combination will support the growth of purchasing power and household consumption. In terms of investing, there are several things that must be considered, such as a person's financial literacy. This research aims to examine the influence of financial literation on investment decision of government officers in Jabodetabek. The study also tests the role of overconfident as a mediating variable in this relationship. Data collection uses a simple random sampling method using a questionnaire via an online survey to 194 respondents. Data analysis was carried out using the Structural Equation Modelling (SEM) technique with the help of the Partial Least Square (PLS) analysis tool. The results of this research show that financial literation has positive significant effect direct and indirectly on investment decision. This study provides evidence and valuable insight on how government officers make their investment decision.
Keyword: Demographic Factors, Investment Decisions, Financial Lit.eracy, Overconfidence

Judul: Investment Decisions by Beginner Investors based on Motivation, Literacy and Behavior (Case Study of JABODETABEK Students)
Abstrak: Peran "Generasi-Z" (kelahiran tahun 1997–2012) sebagai bonus demografi bagi Indonesia membutuhkan pengembangan kapasitas kompetensi produktif, termasuk dalam berinvestasi, sebagai tantangan. Permasalahannya, berbagai riset masih menunjukkan bahwa keputusan berinvestasi oleh generasi muda Indonesia tersebut masih mengalami berbagai kendala, baik dalam motivasi, literasi dan perilakunya. Penelitian ini bertujuan mengidentifikasi dan menganalisis pengaruh motivasi, literasi, dan perilaku. Apakah dugaan perilaku herding (ikut-ikutan) terjadi pada Generasi Z dan berpengaruh terhadap keputusan investasi. Penelitian ini dilakukan di Jabodetabek pada bulan Februari – Agustus 2022. Jumlah sampel penelitian ini sebanyak 137 responden dengan mengunakan pendekatan purposive sampling. Metode yang digunakan ialah analisis deskriptif dan SEM-PLS. Hasil penelitian ini menunjukkan bahwa motivasi investasi, literasi keuangan, dan dugaan perilaku herding berpengaruh positif signifikan terhadap keputusan investasi. Literasi keuangan bersifat prediktor moderasi dalam menurunkan pengaruh perilaku herding terhadap keputusan investasi., The development of productive competence capacity, including investing, is a challenge given the role of "Generation-Z" (birth years 1997–2012) as a demographic bonus for Indonesia. The issue is that numerous studies continue to demonstrate that the young people of Indonesia still face a number of challenges when making investment decisions, including challenges with motivation, literacy, and behavior. The purpose of this study is to find and examine the relationship between behavior, literacy, and motivation. Do members of Generation Z exhibit the reported herding behavior, which may influence financial decisions. This research was conducted in Jabodetabek from February to August 2022. This study used the purposive sampling method and 137 respondents in total. Descriptive analysis and SEM-PLS are the method employed. The findings of this study suggest that investing motivation, financial literacy, and herding behavior have a considerable favorable impact on investment decisions. Financial literacy is a moderating predictor in lowering the impact of herding behavior on investing decisions.
Keyword: herding, investment literacy, financial literacy, investment decisions, investment motivation

Judul: Hydrothermal Synthesis of Biphasic Calcium Posphate
Abstrak: Biphasio calsium phosphate (BCP), which was a mixture of hydroxypatite (HA) and tricalcium phosphate (TCP), was synthesized by hydrothermal method followed by sintering process. Hydroxyapatite was produced by using natural calcium source CaO from hen's eggshell and (NH4)2HPO4 as phosphate souce, other hydroxyapatite sample was produce by using synthetic calcium source Ca(OH) and H3PO4 as phosphate source.
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