This study aims to examine and analyze the factors that influence stock price volatility in sub-construction building companies listed on Indonesia Stock Exchange 2015-2020. Determination of sample using purposive sampling method, obtained was 9 2015-2020 period order obtain 54 observational data. The data used are secondary analysis technique is multiple linear regression method by conducting ...

This paper develops Order Acceptance for an Integrated Production-Distribution Problem in which Batch Delivery is implemented. The aim of this problem is to coordinate: (1) rejecting some of the orders (2) production scheduling of the accepted orders and (3) batch delivery to maximize Total Net Profit. A Mixed Integer Programming is proposed for the problem. In addition, a hybrid meta-heuristic...

This study aims to determine the impact of covid-19 on profitability at PT. Matahari Department Store, Tbk. Profitability is ratio used measure level profit obtained from sales and investment. concerns are Return Assets (ROA), Equity (ROE), Gross Profit Margin (GPM), Operating (OPM) Net (NPM). The data secondary which includes financial reports for 2019 2020. analysis tools analyzing data, this...

BACKGROUND During the 1990's hospitals in the U.S were faced with cost containment charges, which may have disproportionately impacted hospitals that serve poor patients. The purposes of this paper are to study the impact of safety net activities on total profit margins and operating expenditures, and to trace these relationships over the 1990s for all U.S urban hospitals, controlling for hospi...

Supply chain network design in perishable product has become a challenging task due to its short life time, spoilage of product in degradation nature and stochastic market demand. This paper focused on designing and optimizing model for perishable product in stochastic demand, which comprises multiple levels from producer, local collector, wholesaler and retailers. The ultimate goal is to optim...

the study on gender and net farm income of cassava-based farmers under individual land tenure system was done in abia state of nigeria. the main objective was to determine the net farm income (nfi) and the benefit cost ratio (bcr) of the cassava farmers by gender vis-aviz their income levels as well as food security in the state. a multi-stage random sampling technique was adopted while data we...

The purpose of this study is to determine the application Corporate Social Responsibility (CSR) towards company's net profit at PT. Semen Baturaja (Persero) Tbk Palembang. This research method a qualitative method. results analysis showed that Palembang had implemented Resposibilty program from 2016 2020 was quite good and in accordance with direction Ministry SOEs, Resposibility has been divid...

For some management programming problems, multiple objectives to be optimized rather than a single objective, and objectives can be expressed with ratio equations such as return/investment, operating profit/net-sales, profit/manufacturing cost, etc. In this paper, we proposed the transformation characteristics to solve the multi objective linear fractional programming (MOLFP) problems. If a MOL...