《Table 8 Robustness test of strategic deviance (nds) , customer concentration and agricultural enter

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《"Strategic Deviance,Customer Concentration and Enterprise Value——A Case Study of Agricultural Listed Enterprises"》

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Using the research methods of Tang et al.[3]and Ye Kangtao et al.[7]for reference，the advertising and publicity inputs calculated by sales costs and the R&D inputs calculated by the net intangible assets are excluded，because the two have big problems，and they cannot very accurately indicate the cost of advertising and publicity inputs and R&D inputs.According to the previous method，the remaining four dimensions are recalculated to obtain the new strategic deviance（nds），which is then re-introduced into the validation hypothesis.Through the correlation analysis between the four-dimensional strategic deviance（nds）and the six-dimensional strategic deviance（ds），it is found that the correlation coefficient is 0.816 2，and is significant at the level of 1%.The test results of the four-dimensional strategy variance（nds）brought into the model are consistent with the six-dimensional results，and the regression results are shown in Table 8.