On a 2 × 2 factorial design where the use of randomized response is one of the factors

This paper discusses a survey where some respondents were asked sensitive questions directly and others were asked the same questions using randomized response. The use of randomized response was a factor in a 2 × 2 factorial design and dice were used to perform the randomization. First, the paper shows that the perturbation due to the dice can be described using the concept of misclassification and known conditional misclassification probabilities. Second, the paper formulates the likelihood for loglinear models and shows that latent class software can be used to analyse the data. An example including a power analysis is discussed.     

The Long Emergence of a Modern Insurance Industry in China

Abstract

From 1949 through 1979, China had no insurance industry, as the state self-insured. Government policy was cautious and growth slow for the next 15 years, but since the early 1990s the pace of policy change has accelerated and the industry has grown at more than twice the gross domestic product. Nevertheless, the industry's development and market penetration, particularly in general insurance, remains extremely low by international standards, and continues to be retarded by a mix of forces. This paper examines the drivers for and against the long emergence of China's insurance industry, followed by a projection of the future development of the industry in China.     

Peruco: A Method for Producing Safe and Consistent Microdata

A new method for protecting microdata is introduced. This method, per turbation of u nsafe co mbinations (Peruco), eliminates unsafe combinations in the records in which they occur, by replacing them with safe combinations that are also consistent with the other values in the remainder of the records. Consistency is relative to a set of micro-edits that is supposed to be given along with the microdata. A deterministic optimization model is discussed, as well as possible extensions.     

Randomized Response, Statistical Disclosure Control and Misclassificatio: a Review

This paper discusses analysis of categorical data which have been misclassified and where misclassification probabilities are known. Fields where this kind of misclassification occurs are randomized response, statistical disclosure control, and classification with known sensitivity and specificity. Estimates of true frequencies are given, and adjustments to the odds ratio are discussed. Moment estimates and maximum Likelihood estimates are compared and it is proved that they are the same in the interior of the parameter space. Since moment estimators are regularly outside the parameter space, special attention is paid to the possibility of boundary solutions. An example is given.     

Schooling processes and educational outcomes in France

Quality & Quantity -     

Improving police integrity in Uganda: Impact assessment of the police accountability and reform project

Uganda and in particular the Ugandan police are perceived as highly corrupt. To address the integrity of police officers, an intervention called the Police Accountability and Reform Project (PARP) was implemented in selected police districts between 2010 and early 2013. This paper studies the impact of PARP for a sample of 600 police officers who were interviewed about police integrity by means of 12 hypothetical vignette cases depicting context‐specific, undesirable behavior of varying degrees of severity. The assessments of the cases by the police officers are analyzed using propensity score matching, inverse probability weighting, and seemingly unrelated regression techniques. We show that the self‐selection of police officers into the program is unlikely to drive the results. The results suggest that officers participating in PARP activities (1) judge the presented cases of misconduct more severely, (2) are more inclined to report misconduct, and (3) also expect their colleagues to judge misbehavior at the police level more critically although the latter two coefficient estimates are smaller in size. This suggests that PARP activities have affected the perception of police officers but only encouraged them moderately to actually take action against bad practices.     

Search engine advertisements: The impact of advertising statements on click-through and conversion rates

Search engine advertising has emerged as the predominant form of advertising on the Internet. Despite its increasing importance academic research on this topic is scarce. Several authors have called for more research on how the content of the ad influences its evaluation. This exploratory study builds on this call for more research and examines the impact of evidence type on click-through and conversion rates in a search engine advertising setting. We find that click-through rates are higher for advertisements involving expert evidence and statistical evidence than for advertisements involving causal evidence. On the contrary, we find that causal evidence results in higher conversion rates than other types of evidence. These findings help marketers to fine-tune their advertising in search engines. In particular, if their aim is to attract people to the website, expert evidence and statistical evidence should be used, while causal evidence works best if the main objective is to generate conversions.     

The fallacy of the overhead quick fix

Facing pressure from a few large, low-cost competitors, Thornton, an old-guard specialty-equipment manufacturer, fought back by eliminating overhead. Over two-years, it outsourced components and consolidated operations. But instead of cutting overhead, it added more and became still more uncompetitive. Thornton is not alone in either its predicament or its failed reaction. Many large manufacturing companies are finding themselves at a cost disadvantage in markets they have dominated for years. One reason is excessive overhead structures, the result of an unchecked buildup of indirect employees needed to control rising organizational complexity. Another reason is the emergence of the "robust" competitor, comparable in size and product scope but able to produce at a lower unit overhead cost. Data collected from more than 100 manufacturing plants worldwide illustrate the differences between overhead cost structures of bureaucratic, niche, and robust companies. The gulf between these groups highlights the need for action by bureaucratic companies, and, in some cases, by niche companies. But high-overhead companies are doomed if they cut overhead out of the system either by outsourcing or downsizing. If they expect to retain their size and also become more cost competitive, they must rethink their manufacturing systems. Well-designed and well-controlled processes mean higher product quality, faster cycle time, improved flexibility, and lower overhead costs. Sustainable overhead reduction means a commitment to continuous improvement. This includes segmenting, mapping, and measuring existing processes and then working to improve them.(ABSTRACT TRUNCATED AT 250 WORDS)