Increasingly sophisticated machinery, short product life-cycles, and demanding user requirements have increased competition in the machine tool market. Because all machine tool companies have limited resources, they must seek competitive advantages. Strategic collaborations have become...

This paper empirically analyze the nonlinear relation between real output per capital and public debt by employing threshold cointegration method based on ARDL model. Empirical results show that there exists a threshold cointegration relationship between government debt and real output per...

Chinese Abstract:...

Chinese Abstract: MM 命题的最大贡献是提出完美市场假设和使用套利证明方法。本文回顾了完美市场假设和无套利原理,然后对 MM...