نتایج جستجو برای: روش panel data
تعداد نتایج: 2830448 فیلتر نتایج به سال:
This article will support on the econometrics of panel data to analyse the influence of corporate social responsibility (CSR) on the financial performance measured by several indicators. From a sample of 20 firms listed on the stock exchange of Casablanca between 2007 and 2010. Our research found a negative and significant impact of the CSR on financial performance. The negative influence is im...
Personnel economics tends be based on single-firm case studies. Here we examine the personnel practices of 4,792 firms, typically over a period of 20 years, using detailed matched employer-employee panel data from Portugal. In the spirit of Baker et al. (1994a,b), we consider different dimensions of personnel management within each firm: the size of worker turnover, the role of job levels and h...
The quality of manufactured products made in China has improved tremendously in the past several decades. In this paper, we argue that crises beget opportunities for quality upgrade. We first develop a theoretical framework to show that a crisis, if used wisely, could present good opportunities for entrepreneurs and local governments to form collective action to improve product quality. Next, w...
We estimate the effect of employer offers of retiree health benefits (RHBs) on the timing of retirement using a sample of Health and Retirement Study (HRS) men observed over a period of up to 12 years. We hypothesize that the effect of RHBs differs for workers of different ages—a hypothesis we can test now that the main HRS cohort has aged sufficiently. We apply three wellknown panel data estim...
India’s National Rural Employment Guarantee Scheme (NREGS) has been hailed as one of the country’s most creative social initiatives. Since the program was begun only recently (in 2004-05) there is a need to assess its impact on households not just in one year but over time. To the best of our knowledge there are no studies of the latter kind. Using a unique panel data set for 2007-08 and 2009-1...
Using unique and unpublished panel data from selected US cities, the paper investigates the consequences of ignoring unobserved heterogeneity in the unit of observationwhenestimating the economicmodel of crime. Results con® rmthat neglecting to control for unobserved heterogeneity overstates the ability of sanctions to deter criminal activity. Further, thisupwardbias is found tovary signi® cant...
This paper examines the relationship between income equality and crime using U.S. statewide panel data for the years 1981 to 1999. After controlling for demographics and the rates of poverty and unemployment, I find a robust negative relationship between income inequality and the violent and property crime rates. I conclude that rising income inequality during those two decades did not lead to ...
This paper investigates the effects of human capital on productivity using micro panel data of rural households in the NorthWest Frontier Province, Pakistan, where a substantial job stratification is observed in terms of income and education. To clarify the mechanism underlying this stratification, the human capital effects are estimated for wages (individual level) and for selfemployed activ...
This paper examines whether minimum competency school accountability systems, such as those created under No Child Left Behind, influence the distribution of student achievement. Because school ratings in these systems only incorporate students’ test scores via pass rates, this type of system increases incentives for schools to improve the performance of students who are on the margin of passin...
In recent years there has been a growing stream of literature in marketing and economics that models consumers as Bayesian learners. Such learning behavior is often embedded within a discrete choice framework which is then calibrated on scanner panel data. At the same time it is now accepted wisdom that disentangling preference heterogeneity and state dependence is critical in any attempt to un...
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