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用小V型模弯制大圆弧钢板件的方法
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作者 许歌峰 《锻压机械》 1997年第1期43-45,共3页
用小V型模弯制大圆弧钢板件的方法130062长春客车厂许歌峰1引言弯曲是钢板冲压加工最常见的工艺之一。在新产品的开发、试制及小批量生产时,经常会遇到圆弧不一的各种弯曲形状钢板件,在折弯机上弯曲这类零件,一般是需用模具... 用小V型模弯制大圆弧钢板件的方法130062长春客车厂许歌峰1引言弯曲是钢板冲压加工最常见的工艺之一。在新产品的开发、试制及小批量生产时,经常会遇到圆弧不一的各种弯曲形状钢板件,在折弯机上弯曲这类零件,一般是需用模具的。有些大圆弧弯曲件,由于受压力机... 展开更多
关键词 钢板 冲压 弯曲 小v型模
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An Instrument Variable Model of the Impact of Financing Decisions on Performance of Small Businesses in Australia's Pre-global Financial Crisis
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作者 LI Yongqiang Anona Armstrong Andrew Clarke 《Journal of Modern Accounting and Auditing》 2012年第7期1052-1065,共14页
Firm level empirical research on the impact of financing decisions on small business performance is scarce in the Australian context. This study adopts an instrument variable (IV) approach to analyze the impact of f... Firm level empirical research on the impact of financing decisions on small business performance is scarce in the Australian context. This study adopts an instrument variable (IV) approach to analyze the impact of financing decisions, in particular, equity or debt are obtained, on the performance of small businesses by using the panel data from Australian Bureau of Statistics (ABS) Business Longitudinal Database (BLD) 2004-2005, 2005-2006, and 2006-2007. Performance variables, i.e., sales and expenditure, are used as dependent variables. Equity and debt obtained are used as independent variables (or known as treatments). IV includes size of the business, age of the business, number of locations, and industry division etc.. The results from IV modeling outperformed those obtained from OLS (Ordinary Least Squares). Findings include: (1) financing has significantly positive impacts on the performance of small businesses in Australia; (2) equity and debt financing are used as alternatives, comparatively, equity financing is preferred; (3) capital purchases are largely funded by debt financing, while non-capital purchases and salary expenses are funded by equity financing; and (4) equity financing is more often used by firms with increasing capital purchases and declining non-capital purchases, while debt financing is used by firms with the opposite trends. The paper concludes with a discussion of the limitations of this research and future research's directions. 展开更多
关键词 equity financing debt financing small business PERFORMANCE empirical study
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