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All Journal Jurnal Pijar : Studi Manajemen dan Bisnis SINTESA
Wina Nurfitriani
Universitas Sebelas April
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Social Sciences

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ANALISIS EMPIRIS FAKTOR PENDORONG DAN PENGHAMBAT PADA PRAKTIK RANTAI PASOKAN HIJAU DALAM PENGGANTIAN SEDOTAN PLASTIK DI KAFE DAN RESTORAN Muhammad Ainul Fahmi; Wina Nurfitriani; Fadila Nurfauzia; Yuki Yulyadin
Jurnal Pijar Vol 1 No 3 (2023): Jurnal Pijar : Studi Manajemen dan Bisnis
Publisher : PT Naureen Digital Education

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Abstract

Plastic straws are often used in cafes and restaurants because they are lightweight and cheap. However, in terms of the environment, this plastic straw is considered polluting the environment because of its nature that cannot be decomposed by the environment and biosphere. Therefore, there is a need for research on empirical analysis of driving and inhibiting factors in green supply chain practices in replacing plastic straws in cafes and restaurants. In this study, a questionnaire survey was conducted at cafes and restaurants in Bandung City which then the data was processed using SEM PLS. The results of this study found that driving and inhibiting factors influence green supply chain practices in replacing plastic straws in cafes and restaurants.
Symmetry and Asymmetry of World Oil Prices Against Major World Stock Indices Wina Nurfitriani
SINTESA Vol. 13 No. 2 (2022): SINTESA
Publisher : SINTESA

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Abstract

This research was conducted to examine the effect of changes in oil prices on stock returns in the largest commodity-producing countries and the largest oil-importing countries, namely America, China, India and Indonesia. The research period was carried out during a decline in the stock market in 2022 (January 2022 – October 2022). The research method used was quantile regression, where the results show different symmetric and asymmetric effects in each country. The negative and significant effects of oil prices and stock returns occur in India, while the positive and significant effects occur in the United States and Indonesia. For China, no significant evidence was found between the influence of oil prices and stock returns even though China is one of the largest oil producers.
Co-Authors Fadila Nurfauzia Muhammad Ainul Fahmi Yuki Yulyadin