Capital Structure, Life Cycle, Net Debt Issued, Net Equity Issued, New Retained Earnings

The present study examined the relationship between capital structure and life cycle, manufacturing companies listed in tehran stock exchange deals. the independent variable in this study , is capital structure and related variables including published stock , net debt and retained earnings, and firm size is as a control variable . data collection and the is library and documentation of financial statements . using systematically exclude method 81 company selected as sample, Prime using the Park and Chenmethod (2006) Companies were classified to growth, maturity and decline and then hypothesis of each companeis using statistical methods to analyze correlation and multiple regression were tested .results of 486 years - company shows a significant relationship between capital structure and life cycle, manufacturing companies are listed on the tehran stock exchange. as the survey results show that firms in the growth stage, maturity and decline tend to order their financing through debt (bank loans), the issuance of stock and retained earnings (internal resources) to resolve. the overall results show that the pecking order theory shows, financial patterns of growth and decline companies more better than Matured stage companies in tehran stock exchange.