Inflation Effects and World Crude Oil Prices on Combined Stock Price Index (CSPI) in Indonesia Stock Exchange (IDX) of 2015–2018 Period

Abstract

The purpose of this study is to find the evidence of whether the World Inflation and Crude Oil Prices had an effect on the Composite Stock Price Index (CSPI) in the Indonesian Stock Exchange (IDX) of the 2015-2018 periods by taking samples for 4 years on the IDX. This method used in this research was descriptive and verification through a quantitative approach. The design of the analysis used was multiple linear regression using secondary data while the hypothesis testing used T-Tests and F-Tests. The findings of this study were fluctuations between inflation, world crude oil prices, and the Composite Stock Price Index (CSPI) in each year. Statistical analysis proves that simultaneously Inflation and World Crude Oil Prices have an effect on the Composite Stock Price Index (CSPI). Morever, while partially shows that inflation affects the Composite Stock Price Index (CSPI) and World Crude Oil Prices affect the Composite Stock Price Index (CSPI). When income increases, prices become expensive, buying the community or company for the goods become less and will increase the profits earned by the company a little, and investors are reluctant to invest in the company. To determine the compilation of oil prices increases, the mining companies are in great demand because the number of oil demanders by the community will help to increase the company's profits and also investors will invest more in these companies as well as these two things will experience the increase in the Composite Index types every seconds that can help economic development in Indonesia.

Pengaruh Harga Emas Dunia, Rata-Rata Industri Dow Jones, Dan Indeks Shanghai Terhadap Indeks Harga Saham Gabungan Periode 2017-2021

“…Menurut Novianti & Perwati (2020) mengatakan indeks harga saham yang menggambarkan keadaan pasar modal di Indonesia adalah Gabungan Indeks Harga Saham (IHSG). Diperkuat dengan definisi menurut Samsul dalam Novianti & Perwati (2020) yang mengatakan bahwa IHSG adalah semua jenis saham yang tercatat di Bursa Efek Indonesia yang dihitung selama jam perdagangan.…”

Pengaruh Pengaruh Harga Minyak Dunia, Rata-Rata Industri Dow Jones Dan Indeks Hang Seng Terhadap Indeks Harga Saham Gabungan Periode 2017-2021

“…Artinya, ketika Harga Minyak Dunia mengalami kenaikan, hal tersebut akan berpengaruh baik itu ke arah positif ataupun negatif terhadap IHSG. Hal ini didukung oleh penelitian Novianti & Perwati (2020) dan Hidayat & Sudjono (2022).…”