Merger and Acquisition is one of firm’s effort to maintain and develop life of firm. Research analyze the difference of the firm’s financial performance pre and post merger and acquisition. The sample uses companies listed on the Indonesia Stock Exchange (IDX) and conducted mergers and acquisitions in 2015. The sample consists of 3 acquirer companies that meet the criteria. This study uses a different test Wilcoxon Signed Ranks Test. The results show that of 5 financial ratios, namely, leverage ratio as measured by Debt to Equity Ratio, activity ratio as measured by Total Asset Turnover, profitability ratio as measured by Return On Assets, Return On Equity, and Operating Profit Margin, and market ratios as measured by Price to Book Value experienced significant changes between before and after the company carried out mergers and acquisitions, except for the liquidity ratio measured by Current Ratio which did not change between before and after mergers and acquisitions.

The research aims to know the effect of Non Performing Loan (NPL) and Interest Rate of Bank Indonesia towards Return On Asset (ROA). Population in this research are listed commercial bank on Indonesia Stock Exchange (IDX) period in 2014 – 2018. The sampling of the research was performed using the method of purposive sampling. Obtained by amount sample as much 33 bank from 45 commercial banking company listed on Indonesian Stock Exchange in period 2014 – 2018. Research methodology on this research using associative method with quantitative approachment. Data analysis technique used are multi linear regression using IBM SPSS Statistic 24 for Windows software. The result of the survey encountered that partially Non Performing Loan (NPL) had a negative effects toward Return On Asset (ROA) and significant and Interest Rate of Bank Indonesia had a negative effects toward Return On Asset (ROA) and significant. Simultaneously that Non Performing Loan (NPL) and Interest Rate of Bank Indonesia had a significant effect towards Return On Asset (ROA).

This study aims to analyze the effect of current ratio, the ratio of debt to equity, and the ratio of the rate of return on assets to firm value at PT jasa marga (PERSERO) Tbk in 2010-2019. This study uses multiple linear regression statistical methods. The independent variables used in this study are current ratio (CR), debt to Equity (DER), and return on assets (ROA) while the dependent variable is price to book value (PBV) which is a proxy for firm value. The results obtained indicate that simultaneously the current ratio, debt to equity ratio and asset return ratio variables have a significant effect on firm value. Then partially current ratio and assets return ratio variables have no significant effect on firm value while debt to equity ratio has a negative significant effect on firm value.

This study aims to determine the significant difference between the financial performance of PT Bank Woori Saudara Indonesia 1906, Tbk pre-merger and post-merger. The indicators used in this study are financial ratios consisting of Non Performing Loans (NPL), Loan to Deposit Ratio (LDR), Capital Adequacy Ratio (CAR), Return On Assets (ROA), and Operating Costs to Operating Income (BOPO) obtained from the annual financial report of PT Bank Woori Saudara Indonesia 1906, Tbk in 2009-2019. The data analysis method used was the non-parametric Wilcoxon signed-rank test. The results showed that there were significant differences in LDR, ROA, and BOPO, while in NPL and CAR there were no significant differences.

This study aims to determine the effect of Non Performing Loan (NPL) and Capital Adequacy Ratio (CAR) on Return on Asset (ROA). The population used in this study were state-owned commercial banks in 2013 – 2019. The research method used in this study was an associative research method with a quantitative approach. The data analysis technique used is multiple linear regression using IBM SPSS Statistic 26 for Windows. The results of this study partially show that Non Performing Loan (NPL) has a negative effect on Return on Asset (ROA) and significant, Capital Adequacy Ratio (CAR) has a positive effect on Return on Asset (ROA) and significant. Non Performing Loan and Capital Adequacy Ratio (CAR) also simultaneously or jointly have a significant effect on Return on Assets (ROA).