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Purpose: The purpose of this paper is to examine merchandise performance-based financial productivity of offshore vs reshore sourcing scenarios for fashion/seasonal products with higher demand uncertainty, using computer simulation software. Design/methodology/approach: Using Sourcing...
Persistent link: https://www.econbiz.de/10012074812
We consider the accuracy estimation of a classifier constructed on a given training sample. The naive resubstitution estimate is known to have a downward bias problem. The traditional approach to tackling this bias problem is cross-validation. The bootstrap is another way to bring down the high...
Persistent link: https://www.econbiz.de/10005005988
One hundred years ago Karl Pearson derived an approximate formula for the correlation between ratios with a common divisor and cautioned to be wary of correlating ratios. The exact formula for the correlation between ratios is derived. It can provide a better reference point of no connection...
Persistent link: https://www.econbiz.de/10005138370
The proportional odds model is a popular regression model for ordinal categorical responses, which has a rather strong underlying assumption, the proportional odds assumption. The rejection of the null assumption, however, is not very informative since a statistical significance does not...
Persistent link: https://www.econbiz.de/10005319633
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This paper investigates the effects of export in the underpricing phenomenon of the Chinese IPO markets, using data from 1,285 IPO firms listed on the Shanghai and Shenzhen Exchanges from 1987 to 2015, and find that exports have a negative effect on initial returns. Second, the effect of exports...
Persistent link: https://www.econbiz.de/10012956939