The empirical data were 171 samples collected from a survey conducted in March 1993.The statistical instruments utilized include t-test, F-test, a PROBIT analysis and the generalized linear model.
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- 實(shí)證資料來(lái)源系1993年初對171家廠(chǎng)商問(wèn)卷訪(fǎng)查之回收樣本，分析方法主要采用均值差異性分析（T值檢定）、變異數分析（F值檢定）和PROBIT分析。
