A single-vendor and single-buyer integrated inventory model is studied in consideration of nonlinear lead time crashing cost and lost sale.

According to the defects of the researches dealt with controllable lead time,the authors present a continuous review inventory model with nonlinear lead time crashing cost and lost sale.

The minimum problem of the single-vendor single-buyer\'s total expected cost involving controllable lead time,quality improvement and lost sale with a free distribution was considered.

By analyzing the performance of nine leading corporations with market orientation in the high－ tech industry, the paper reveals that the reason why the performance of companies with the same orientation is different is that the definition of market orientation isn t clear and some of them can t distinguish between lighthouse－ customer and mainstream－ customer.

With customer interaction, the enterprises fetch the customer knowledge, and share and apply it in organization, because .

Based on resource-based theory and review of the literature on innovation,this article argues that the impact of customer interaction on the knowledge-intensive business service innovation should consider both the benefits and risks by involving customers into the innovation process.