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All Journal Jurnal Mantik Journal of Enterprise and Development (JED) International Journal of Economics Development Research (IJEDR)
Muhammad Ikhsan Harahap
State Islamic University of North Sumatra, Indonesia
Computer Science & IT Economics, Econometrics & Finance Languange, Linguistic, Communication & Media Social Sciences

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The influence of international coffee prices, rupiah exchange rates, and competitor commodity prices (cocoa), on Indonesian coffee exports for the 2003-2022 period Boy Uli Kirana Situmorang; Isnaini Harahap; Muhammad Ikhsan Harahap
Jurnal Mantik Vol. 7 No. 2 (2023): Agustus: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mantik.v7i2.3997

Abstract

Indonesia is a country with potential subtropical areas for the development of primary plantation commodities. One of Indonesia's main plantation commodities is coffee. This study aims to determine the effect of International Coffee Prices (x1), Rupiah Exchange Rates (x2), Competitor Commodity Prices (cocoa) (x3) on the value of Indonesian coffee exports (Y).In this study using quantitative descriptive analysis with the type of time series data in which the data is arranged in a time series.The results showed that the Rupiah Exchange Rate had a significant effect on Coffee Exports in Indonesia in 2003 – 2022. The acquisition of the Rupiah exchange rate benefited the economy because according to the theory the price of goods in the country was cheaper when compared to prices in other countries. This condition causes coffee exports to increase. International coffee prices have a significant effect on coffee exports in Indonesia in 2003 - 2022. Furthermore, competing commodity prices (cocoa) have no effect on coffee exports in Indonesia in 2003-2022 and together international coffee prices, the rupiah exchange rate and commodity prices Competitors have a significant effect on coffee exports in Indonesia in 2003-2022
Impact of Inflation, Interest Rates, and Exchange Rates on the Performance of the Indonesian Sharia Stock Index (ISSI) during the Period 2012-2022 Laila Tiffany Hasibuan; Imsar Imsar; Muhammad Ikhsan Harahap
International Journal of Economics Development Research (IJEDR) Vol. 4 No. 3 (2023): International Journal of Economics Development Research (IJEDR)
Publisher : Yayasan Riset dan Pengembangan Intelektual

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/ijedr.v5i1.4037

Abstract

This study aims to analyze the effect of inflation, interest rates and exchange rates on the rate of the Indonesian Sharia Stock Index (ISSI) for the period 2012-2022. This research method uses quantitative with VAR data type which is causal-distributive in nature, meaning that research is conducted to analyze a past situation and determine the direction of causality of the relationship between independent variables, namely Inflation, Interest Rates, Exchange Rates, and the dependent variable, namely the Indonesian Sharia Stock Index (ISSI). The operational data used by this researcher uses time series data. This research uses a method using the Eviews 12 computer program (software) with the Vector Auto regressive (VAR) model. The results of this study indicate that Inflation has a significant effect on ISSI. Interest rates have no effect on the ISSI. Exchange Rate has no effect on ISSI. The implications of this study reveal that Inflation has a relationship that can affect the growth rate of the ISSI. In addition, the growth rate of the ISSI can be suppressed if inflation can be controlled and exchange rates to interest rates can stabilize the rate of inflation that can affect the ISSI.
Impact of electronic Word-of-Mouth, product quality, and brand image on purchasing decisions in the skincare industry Putri Sepfiani; Muhammad Lathief Ilhamy Nst; Muhammad Ikhsan Harahap
Journal of Enterprise and Development (JED) Vol. 5 No. Special-Issue-1 (2023): Journal of Enterprise and Development (JED)
Publisher : Faculty of Islamic Economics and Business of Universitas Islam Negeri Mataram

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Abstract

Purpose — This paper aims to investigate how electronic Word of Mouth (e-WOM), product quality, and brand image influence consumer purchasing decisions in the skincare industry.Method —  This study utilizes a quantitative research method involving 100 consumers of cosrx skincare products as respondents. The researchers adopted non-probability sampling techniques, specifically purposive sampling, to select participants for the study. Primary data was collected through questionnaires distributed on Twitter, where respondents provided direct responses using a Likert scale. To analyze the data and assess the positive and significant effects, the researchers employed Partial Least Squares Structural Equation Modeling (PLS-SEM) version 4.0.Result — The findings of the study indicate that both e-WOM and product quality have a positive and statistically significant influence on consumer purchasing decisions. Additionally, the research highlights the mediating role played by brand image, which serves as a connecting factor between e-WOM, product quality, and the ultimate purchasing decisions of consumers. This suggests that a favorable brand image enhances the impact of positive e-WOM and product quality on consumers' willingness to make a purchase.Contribution — This research adds to the existing body of knowledge by specifically focusing on the skincare industry and providing empirical evidence for the interplay between e-WOM, product quality, brand image, and their influence on consumer purchasing decisions, while also uncovering the mediating role of brand image.
Co-Authors Boy Uli Kirana Situmorang Imsar Imsar Isnaini Harahap Laila Tiffany Hasibuan Muhammad Lathief Ilhamy Nst Putri Sepfiani