Judul: The Influence of Lifestyle, Attitude of Consumer, and Marketing Mix on Purchase Decision of Eco-Label Cosmetic Products in Indonesia and Malaysia.
Abstrak: The cosmetics industry has developed rapidly in both developing and developed countries. Cosmetic products in the Asian market are one of the fastest growing markets. The Asia Pacific market value has increased to more than USD 70 billion, which is the second highest market after the Western European market. The export value of cosmetic products in Indonesia reaches USD 516.99 million. While in Malaysia, the value is around USD 407 million for cosmetic products. The potential of this domestic market is due to the increasing number of young population (millennial generation) and the strengthening of society trend to use natural products which are eco-labeled. This study aimed to: (1) identify consumers characteristics of eco-label cosmetic products users in Indonesia and Malaysia; (2) analyze the relationship between the characteristics of eco-label cosmetic products users in Indonesia and Malaysia with their lifestyle; (3) analyze the lifestyle, consumer attitudes, and marketing mix influence on purchase decision for eco-label cosmetic products in Indonesia and Malaysia; and (4) analyze the most dominant factors that influence the purchase decision of ecolabel cosmetic products in Indonesia and Malaysia. This study design was survey methods. The study was conducted in Jakarta (Indonesia) and Kuala Lumpur (Malaysia) from May until July 2018. The number of respondents were 390 people. The sampling technique in this study was based on a non-probability sampling method which is convenience sampling. The data were analyzed using descriptive and inferential statistical analysis, Structural Equation Modeling (SEM), and with alternative method using Partial Least Square (PLS). The results showed that the characteristics of consumers in Indonesia and Malaysia were majority consisted of productive age adults and had enough income to buy eco-label cosmetic products. Based on inferential statistical analysis, there was relation between consumer characteristics and lifestyles. Based on VALS (Value and Lifestyle) analysis, consumer lifestyles in Indonesia were divided into five dimensions which are achievers, believers, experiencers, makers, and strivers. While, the consumer lifestyles in Malaysia were divided into six dimensions consisted of achievers, believers, fullfields, experiencers, makers, and strivers. Based on SEM-PLS analysis, it is found that lifestyle had a positive and significant influence on purchase decision in Indonesia and Malaysia. The consumer attitudes did not influence purchase decision in Indonesia. In opposite, in Malaysia the consumer attitudes variable had a significant influence on the purchase decision. In addition, the marketing mix had a significant effect on purchase decision in both Indonesia and Malaysia. The marketing mix was the dominant factor that influenced the purchase decision of eco-label cosmetic products.
Keyword: Consumer Attitude, Lifestyle, Marketing Mix, Purchase Decision, Structural Equation Modeling (SEM)

Judul: The Role of Ecolabel Awareness, Green Marketing Mix, and Brand Image in Consumer Purchase Decisions for Aqua Life Products in Indonesia
Abstrak: Kesadaran konsumen tentang isu lingkungan mendorong mereka untuk menerapkan pola hidup sehat dengan mengonsumsi produk organik yaitu produk yang mengandung komponen aman, tidak beracun, dapat didaur ulang, dan menggunakan kemasan yang ramah lingkungan. Perusahaan sebagai produsen merupakan salah satu pihak yang berperan penting dalam menjaga kelestarian lingkungan. Bentuk pengembangan strategi perusahaan antara lain dengan menghasilkan berbagai macam produk yang menggunakan bahan-bahan tidak merusak lingkungan. Salah satu usaha yang dilakukan perusahaan adalah adanya label ramah lingkungan pada produk. Label ramah lingkungan memiliki peran penting tidak hanya sebagai tanda disuatu produk tetapi juga infomasi yang sangat penting untuk mengedukasi konsumen tentang konsep ramah lingkungan. Penelitian ini bertujuan untuk menganalisis pengaruh eco label awareness, green marketing mix, dan brand image terhadap keputusan pembelian konsumen. Penelitian dilakukan pada bulan November sampai Desember 2021. Data yang dikumpulkan dalam penelitian ini adalah data primer yang diperoleh dari survei kuesioner berbahasa Indonesia yang disebarkan melalui link google form menggunakan skala Ordinal. Metode pengambilan sampel (responden) yang digunakan adalah purposive sampling. Data diolah dan dianalisis menggunakan Structural Equation Modeling (SEM). Hasil penelitian menunjukkan ecolabel awareness tidak memberikan pengaruh signifkan terhadap keputusan pembelian konsumen produk AQUA Life. Green marketing mix dan brand image berpengaruh signifikan dan positif terhadap keputusan pembelian konsumen produk AQUA Life. Green marketing mix berpengaruh signifikan terhadap brand image. Berdasarkan hasil statistik menunjukan bahwa green marketing mix merupakan variabel yang lebih dominan terhadap keputusan pembelian konsumen. Para produsen dan pemerintah harus lebih memberikan edukasi kepada konsumen agar konsumen mendapatkan pengetahuan lebih mengenai kesadaran akan penggunaan produk ramah lingkungan serta manfaatnya., Consumer awareness about environmental issues encourages them to adopt a healthy lifestyle by consuming organic products, namely products that contain safe, non-toxic, recyclable components, and use environmentally friendly packaging. The company as a producer is a part of an important role in preserving the environment. The form of developing the company's strategy is to produce various kinds of products using materials that do not damage the environment. One of the efforts made by the company is to create ecolabels for their products. Ecolabels have an important role not only as a sign of a product but also very important information to educate consumers about the concept of being environmentally friendly. This study aims to analyze the effect of eco label awareness, green marketing mix, and brand image on consumer purchasing decisions. The study was conducted from October to December 2021. The data collected in this study were primary data obtained from a questionnaire survey in Indonesian which was distributed via the Google Form link using the Ordinal scale. The sampling method (respondents) used is purposive sampling. The data was processed and analyzed using Structural Equation Modeling (SEM). The results showed that ecolabel awareness did not have a significant effect on consumer purchasing decisions for AQUA Life products. Green marketing mix and brand image have a significant and positive effect on consumer purchasing decisions for AQUA Life products. Green marketing mix has a significant effect on brand image. Based on the statistical results show that the green marketing mix is a more dominant variable on consumer purchasing decisions. Producers
Keyword: Brand Image, Ecolabel Awareness, Green Marketing Mix, Keputusan Pembelian Konsumen

Judul: Closed Knight’s Tour pada Papan Catur Berbentuk Persegi Panjang dengan Ukuran Maksimal 8 × 8
Abstrak: Closed Knight’s Tour merupakan langkah kuda yang mengunjungi setiap kotak pada papan catur tepat satu kali dengan langkah kuda berawal dan berakhir pada kotak yang sama. Graf yang terbentuk dari closed knight’s tour dinotasikan sebagai graf G(m,n), dengan m adalah banyaknya baris dan n adalah banyaknya kolom. Graf tersebut memuat Hamiltonian cycle. Sebuah graf terhubung G adalah graf bipartite jika dan hanya jika graf tersebut tidak memiliki cycle dengan panjang ganjil. Papan catur yang memenuhi syarat cukup untuk memiliki closed knight’s tour adalah papan catur berukuran 5 × 6, 5 × 8, 6 × 6, 6 × 7, 6 × 8, 7 × 8, dan 8 × 8.
Keyword: bipartite, closed knight’s tour, hamiltonian cycle, knight’s tour, teori graf