The empirical study on the function of internal labor market from the integrated perspective of giving short and long term incentives to workers

本研究包括两个分析。一是主观绩效评价的积极和消极作用，二是优秀店长的作用和特点。从最初的分析中，可以确定以下三个结果。(1)当员工从事多任务型工作时，主观评价会增强激励。(2)如果面临不可控风险，也会加强激励。(3)偏袒等偏见对生产率产生负向影响。从第二个分析中，得到以下三个发现。(1)以“好”经理取代“坏”经理使店铺利润提高14%。(2)“好”管理者都具有年轻、经验丰富等特点。(3)为了提高门店的生产率，选择“好”的管理者比培训管理者更重要。

This study consist of two analyses. First one is the positive and negative effects of subjective performance evaluations and the other one is the effect and characteristics of good store managers.From first analyses, following three results are identified. (1) Subjective evaluations enhance incentives if workers engage in multi-tasking type of jobs.(2) It is also strengthen incentives if they face uncontrollable risks. (3) Bias including favoritism negatively influence the productivity.From second analyses, following three findings are obtained. (1) Replacing "bad" managers by "good" managers improve the store profit by 14%. (2) "Good" managers has same characteristics including youth and broader experiences. (3) To realize better productivity of stores, the selection of "good" managers are more vital factor than the training of managers.