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All Journal TEKMAPRO Journal of Industrial Engineering and Management Wiga : Jurnal Penelitian Ilmu Ekonomi
Kurniana
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Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Social Sciences

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Comparative Analysis of Portfolio Performance Between Value Stocks and Growth Stocks During the Covid-19 Pandemic Huda, Aulia Nurul; Kurniana; Raharjo, Taufik
Wiga : Jurnal Penelitian Ilmu Ekonomi Vol. 14 No. 1 (2024): March 2024
Publisher : Institut Teknologi dan Bisnis Widya Gama Lumajang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30741/wiga.v14i1.1189

Abstract

This research aims to analyze the performance of value-stock and growth-stock portfolio during the pandemic to learn which investment strategy gave better performance during the period. This research is conducted using t-test to compare the average weekly return between value-stock and growth-stock portfolio. The performance of value stock portfolio is represented by IDX Value 30 index performance, while growth stock portfolio is represented by IDX Growth 30 index performance. This research shows that there is no significant difference between the performance of value-stock and growth stock portfolio during the pandemic. Later, this research also uses risk-adjusted return in the return to include risk in return calculation. However, the result remains the same as there is no significant difference between these two portfolios. Therefore, we can conclude that the two investment strategies did not give different results significantly during the pandemic.
The Effect of Availability Bias and Representativeness Bias on Investment Decisions Among Millennials and Gen Z in Indonesia Kurniana; Haymans Manurung, Adler; Sembel, Roy
Tekmapro Vol. 18 No. 2 (2023): TEKMAPRO
Publisher : Program Studi Teknik Industri Universitas Pembangunan Nasional Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/tekmapro.v18i2.337

Abstract

The investment represents a more advanced financial activity than solely depositing funds in a bank for safekeeping. The investment is anticipated to mitigate the effect of inflation on the fluctuation of the currency's worth. Millennials and Generation Z are demographic cohorts that significantly affect the capital market; nonetheless, numerous individuals within these generations exhibit imprudent investment behaviour, primarily attributable to biases in their investment decisions. The research aimed to critically examine prior studies employing different methods to further the understanding of availability bias and representativeness bias in Indonesia. The study utilised a quantitative method. The participants of this study consisted of investors from the Gen Z and millennial cohorts in Indonesia. The sample size in this investigation consisted of 120 samples. The sampling technique employed in this study was purposive sampling, namel7 a strategy selecting participants based on predetermined criteria. The study's criteria encompassed individuals classified as investors, falling within the age range of 17 to 35 years, and possessing a minimum of 6 months of expertise in the field of investment. This study's findings indicated that bias availability and bias affected statistically significant and positively affected investment decision-making among millennials and Gen Z individuals in Indonesia. The data revealed that 14.7% of investment decisions are affected by variables related to availability bias and representativeness bias, with the remaining 85.3% being affected by other variables.
Co-Authors Adler Haymans Manurung Aulia Nurul Huda Roy Sembel Taufik Raharjo, Taufik