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| 1 |
ID:
192321
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| Summary/Abstract |
Grade inflation has become a global phenomenon that raises concerns in the academia and the public. This study examines whether high grades accompanying with the growth of female teachers arise from student improvement or grade inflation. We use randomly assigned samples from the China Education Panel Survey and obtain the following results. (1) Students taught by female teachers obtain 1.57 grades point higher compared with those taught by male teachers. High grades do not result from student progress but from grade inflation. (2) Female teachers practice grade inflation for different students, and the effect is more pronounced among female students, low-ability students, and students in senior grades. (3) Female teachers may adopt a high-grades practice due to potential pressures under discrimination and uncertainty rather than for the sake of course or students. (4) Last, high grades brought by female teachers lead to less effort for students in the second year. This paper not only provides data support for understanding the increasing grade inflation, but also offers clear implications for the improvement of evaluation systems.
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| 2 |
ID:
182782
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| Summary/Abstract |
This study investigates the distortion of government disclosure on air pollution and further explores underlying political incentives that drive such distortion. We introduce a newly developed method, that is, bunching estimation based on notch points, to identify the distortion in the air pollution index disclosed by local governments. Results show that the magnitudes of distortion are significant and vary across cities. We present evidence that local politicians' promotion incentives substantially drive the distortion of environmental information. Importantly, we find that high-frequency disclosure requirements effectively discipline the behaviors of local governments because of increased manipulation costs. Overall, we contribute to the literature by identifying the distortion of government information disclosure, investigating the underlying causes, and examining the validity of new disclosure policies in shaping government behaviors.
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| 3 |
ID:
193004
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| Summary/Abstract |
Numerous studies have shown that a sex ratio imbalance (more boys than girls in a society) may result in a sequence of social problems. This study investigated the expected effect of a high sex ratio on educational investment. Using nationally representative data from the China Family Panel Studies and the 2010 Census, we determined the following: (i) a high sex ratio increased educational expenditure for boys relative to girls; (ii) parents who took education seriously and who cared about their children's education were more likely to invest in education to appear attractive in the future marriage market, and (iii) the profound impact of a high sex ratio on educational expenditure was more pronounced in less educated and poorer families. Our findings raised the possibility that the effect of the sex ratio may bring about more gender inequality in the future. The implicit cost of a high sex ratio may further lead to a vicious cycle of family fertility and childbearing.
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| 4 |
ID:
187836
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| Summary/Abstract |
China has exerted great efforts in the past decades to fight against particulate matters and has achieved initial results, but ozone pollution has increased significantly. Using a unique diagnostic data of a peninsula city in China, this study evaluates the health effect of ozone pollution on emergency room admission and medical expenditure. We present strong evidence that ozone has a significant negative impact on health. Specifically, one standard deviation increase in ozone pollution will result in an additional 3.30, 2.25, and 4.94 weekly emergency room admissions in respiratory, ophthalmology, and internal medicine. Our analysis of medical expenditure implies that one standard deviation increase of ozone pollution generates a 5.89 million yuan increase of annual medical expenditure for a representative city. We further show that land wind, sunny weather, and dense roads significantly moderate the adverse health effects of ozone. Our findings offer a timely reminder for policymakers to pay attention to “invisible” ozone pollution while managing particulate pollution.
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| 5 |
ID:
161865
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| Summary/Abstract |
This study investigates the effect of political promotion incentives on the labor investment efficiency of firms by focusing on human capital misallocation. We show that 1) promotion incentives of local politicians significantly increase firm-level employment growth and decrease labor investment efficiency. 2) Causality is established using the number of death toll in local mining accidents to isolate exogenous shocks on the promotion incentives of local politicians, and placebo tests further confirm the causality. 3) For under-hiring firms, promotion incentives only increase the employment of low human capital, thus distorting human capital structure and decreasing labor investment efficiency. 4) Our findings are robust to alternative specifications. Overall, we highlight the political economy channel of human capital misallocation from the perspective of career concerns of local politicians.
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