Penelitian ini bertujuan untuk mengetahui apakah ada pengaruh antara beban kerja dan stres kerja baik secara parsial maupun simultan terhadap prestasi kerja karyawan PT. Perkebunan Nusantara III (Persero) Medan. Populasi dalam penelitian ini adalah jumlah karyawan produksi dengan 51 responden. Persamaan regresi linier berganda yang diperoleh dari hasil pengujian adalah Y = 6,107 + 0,348 X_1 + 0,445 X2 + ei. Berdasarkan hasil uji F diketahui bahwa nilai Fhitung sebesar 80,422 Ftabel 3,19 dengan taraf signifikansi 0,000 < 0,05 sehingga keputusan Ho diambil dan H1 diterima. Artinya secara simultan beban kerja dan stres kerja berpengaruh positif dan signifikan terhadap prestasi kerja karyawan PT. Perkebunan Nusantara III (Persero) Medan. Variabel stres kerja merupakan variabel yang paling berpengaruh terhadap prestasi kerja karyawan PT. Perkebunan Nusantara III (Persero) Medan. Koefisien determinasi (R Square) sebesar 0,770 artinya prestasi kerja dapat dijelaskan oleh beban kerja dan stres kerja sebesar 77% sedangkan 23% dipengaruhi oleh faktor lain yang tidak termasuk dalam penelitian ini. Dari hasil penelitian dan pembahasan, PT. Perkebunan Nusantara III (Persero) Medan selanjutnya harus mengurangi beban kerja dan memperbaiki kondisi kerja

Portfolio Analysis is one of the alternative alternative tools in making investment decisions in stocks. In investing, if it only depends on one type of stock, it is likely that many investors will bear the risk. This stage involves identifying which securities will be chosen to form a portfolio and what proportion of funds will be invested in each of these securities. The selection of these securities (in other words, investors diversify) is intended to minimize the risk borne. The selection of these securities will be influenced by risk preferences, cash needs patterns, and tax status. Investment decisions are decisions taken by investors to allocate the funds they have in the form of certain assets (financial assets) in the hope that they will get economic benefits in the future. If the decision taken is to buy a certain number of shares, then that is expected to get dividends and capital gains if the shares are resold. The main consideration for fund owners (investors) in optimizing investment decisions is to maximize the level of return on investment (risk) for certain investments (Saragih et al., 2006). The making of an investment decision framework largely determines the success of an investor in optimizing the level of investment returns and reducing as little as possible the risks faced (Markowitz, 1952). In connection with the above, the main problem in this study is how to design an optimal portfolio simulation which is a combination of LQ 45 liquid stocks listed on the Indonesia Stock Exchange (IDX). The research data was conducted on LQ 45 shares during the period March - June 2012. The variables of this study were stock prices, returns, standard deviations of returns. The statistical method used is the F-test for homogeneity of variants. The results showed that only 16 stocks had optimal portfolios. Optimal portfolio, characterized by high return and low risk.

The purpose of this study is to compare interest in entrepreneurship and working as an employee during the Covid-19 pandemic. The population is all alumni of the Faculty of Economics, Unika Santo Thomas, Medan. A sample of 96 respondents, data collection techniques using questionnaires, documentation and interviews, data analysis techniques referring to Miles & Huberman (1992: 16) with three flow of activities that occur simultaneously, namely: data reduction, data presentation, conclusion drawing/verification. The results showed that interest in entrepreneurship during the Covid-19 pandemic among alumni of the Faculty of Economics, Unika Santo Thomas, Medan, was higher, namely 56 respondents compared to interest in working as an employee during the Covid-19 pandemic, which was 40 respondents. The reason respondents chose to be interested in entrepreneurship is because during the Covid-19 pandemic, many companies have reduced the number of employees or terminated their employment relationship. With entrepreneurship, they will open up new job opportunities for people affected by Covid-19. And they also want to be free to manage their own work. The reason respondents chose interest in working as an employee is because by working as an employee they will get a steady income every month. Even though during the Covid-19 pandemic, many companies or agencies have reduced the number of employees, the respondents will remain firm in their stance and will be more active in preparing themselves to compete in the world of work. To conduct a comparative analysis of interest in entrepreneurship and working as an employee during the COVID-19 pandemic, an in-depth evaluation should be carried out by adding an indicator of questions about the reasons for alumni to become entrepreneurs and work as employees and increase the number of respondents observed.

Robinson Sipahutar, 2015. Portfolio Analysis is one of the alternative alternative tools in making investment decisions in stocks. In investing, if it only depends on one type of stock, it is likely that many investors will bear the risk. This stage involves identifying which securities will be chosen to form a portfolio and what proportion of funds will be invested in each of these securities. The selection of these securities (in other words, investors diversify) is intended to minimize the risk borne. The selection of these securities will be influenced by risk preferences, cash needs patterns, and tax status. Investment decisions are decisions taken by investors to allocate the funds they have in the form of certain assets (financial assets) in the hope that they will get economic benefits in the future. If the decision taken is to buy a certain number of shares, then that is expected to get dividends and capital gains if the shares are resold. The main consideration for fund owners (investors) in optimizing investment decisions is to maximize the level of return on investment (risk) for certain investments (Saragih et al., 2006). The making of an investment decision framework largely determines the success of an investor in optimizing the level of investment returns and reducing as little as possible the risks faced (Markowitz, 1952). In connection with the above, the main problem in this study is how to design an optimal portfolio simulation which is a combination of LQ 45 liquid stocks listed on the Indonesia Stock Exchange (IDX). The research data was conducted on LQ 45 shares during the period March - June 2012. The variables of this study were stock prices, returns, standard deviations of returns. The statistical method used is the F-test for homogeneity of variants. The results showed that only 16 stocks had optimal portfolios. Optimal portfolio, characterized by high return and low risk.

No abstract