Pengaruh Struktur Modal dan Risiko Operasional terhadap Profitabilitas pada Industri Perbankan di Indonesia

Farah Margaretha, Istania Nurul

Abstract


The study’s purpose is to acknowledge the influence of capital structure and operational risk on profitability of banking industry in Indonesia. The samples are banking industries in Indonesian Stock Exchange for the period of 2004 up to 2009. Independent variables in this study included capital structure that measured by liability ratio and equity ratio, and operational risk that measured by portfolio concentration, whereas dependent variable is profitability that measured by profit margin. Beside that, control variabel is macroeconomics that measured by inflation rate. With using purposive sampling, the total of sample in this study is 22 companies of banking industries. Data analysis model are simple linear regression and t-test. Based on t-test, the result of capital structure that measured by both liability ratio and equity ratio has a significant impact to profitability, capital structure that measured by both liability ratio and equity ratio doesn’t has a significant impact to operational risk, and operational risk doesn’t has a significant impact to profitability. Meanwhile inflation rate doesn’t affect liability ratio, equity ratio, portfolio concentration, and profit margin, This result indicates that the company’s management has to consider capital structure, whereas can be influence the profitability.

Keywords: capital structure, operatinal risk, profitability

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