%A 1521021013 Senna Enzovani %T Pengaruh Demokrasi, Government Effectiveness, dan Investasi Terhadap Gross Domestic Product (GDP) %X Penelitian ini merupakan studi yang bertujuan untuk mengetahui pengaruh demokrasi, government effectiveness dan investasi terhadap Gross Domestic Product (GDP) di negara yang tergabung dalam OECD. Penelitian ini menggunakan populasi negara OECD yang memiliki 34 negara anggota. Hasil penelitian menggunakan regresi data panel membuktikan bahwa variabel demokrasi dan government effectiveness berpengaruh positif dan signifikan secara statistik terhadap GDP, selain itu hasil penelitian juga membuktikan bahwa variabel investasi berpengaruh secara positif terhadap GDP di negara yang tergabung dalam OECD namun tidak signifikan, dengan demikian hipotesis yang menyatakan diduga investasi berpengaruh terhadap GDP di negara yang tergabung dalam OECD, ditolak. Kata Kunci : Gross Domestic Product (GDP), Demokrasi, Government Effectiveness, dan Investasi. This research is a study that aims to determine the influence of democracy, government effectiveness and investment on gross domestic product (GDP) in countries that are members of the OECD. This study uses a population of OECD countries that have 34 member countries. The results of the study using panel data regression prove that democratic and government effectiveness variables have a positive and statistically significant effect on GDP, besides the results of the study also prove that investment variables positively influence GDP in OECD countries but are not significant, thus the hypothesis who stated that the alleged investment had an effect on GDP in the OECD-affiliated countries, was rejected. Keywords: Gross Domestic Product (GDP), Democracy, Government Effectiveness, and Investment. %D 2019 %I Universitas Lampung %L eprints55991