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Abstract
Increasing risks and crises present a challenging new normal for contemporary emergency management. It is important for public organizations to build robust government structures that can adapt to changing circumstances, rather than conform to rigid established procedures. Nevertheless, scholars have not fully explored how the transition to such robustness develops after crisis events. This paper fills the research gap by proposing an event-driven policy process model based on 171 identified crisis event studies, whereby a crisis drives learning that leads to changes in government structures or policy processes. Using a systematic review of the literature, we find that variation in crisis type and scale of impact influence subsequent policy dynamics that are critical to learning by governments. Key process dynamics (e.g. agenda setting, policy formulation, and implementation) and various types of learning are identified in the crisis-driven process that leads to robustness in public organizations. In addition, the role of scientific evidence and learning decay also play roles in this transition.

China's environmental problems have long been criticized. The Communist Party of China (CPC) and the government have increasingly paid attention to developing environmental protection and included the construction of an ecological civilization in the "Five-in-One" development strategy. The improvement of regional eco-efficiency is an important way to realize the coordinated development of the entire society, and environmental policy instruments are a powerful means to enhance regional eco-efficiency. This paper categorizes environmental policy instruments into mandatory, hybrid, and voluntary types. Based on panel data from 31 provinces in China from 2005 to 2015, the paper discusses the impact of environmental policy instruments on regional eco-efficiency and the means of the impact. The research shows that (1) mandatory and hybrid environmental policy instruments play a significant role in promoting regional eco-efficiency, while the role of voluntary instruments is not significant in promoting regional eco-efficiency; (2) hybrid and mandatory environmental policy instruments have negative interactions; and (3) the level of economic development will positively affect the role of hybrid environmental policy instruments in promoting regional eco-efficiency but negatively affect the role of mandatory instruments in promoting regional efficiency.

AbstractMost studies of policy entrepreneurship seek to understand how entrepreneurs influence the behavior of policy‐makers in the agenda‐setting or decision‐making phases of the policy process. Recent scholarship has sought to understand what role entrepreneurs might play in policy implementation by focusing on their ability to influence bureaucrats' discretion and behavior. However, these studies overlook the potentially critical influence of policy entrepreneurs during the implementation of "opt‐in" policies that require voluntary compliance by individuals to be successful. Here, we consider whether and how a visible policy entrepreneur can impact opt‐in policy implementation, focusing on their credibility—or ability to gain public trust—as a potential driving factor of their influence. Using the empirical context of COVID‐19 vaccination recommendations, we identify Dr. Anthony Fauci as a highly visible policy entrepreneur and assess his influence on individual vaccine intention and uptake. Drawing on data from a novel panel survey of the American public on attitudes about the virus, risk, politics, and vaccination during the first several months of the COVID‐19 vaccine rollout in the United States, we test the relationship between respondent trust in Dr. Fauci and changes in reported intention to vaccinate and vaccination uptake across time. We find that trust in Dr. Fauci is an important predictor for influencing individuals' intention to vaccinate and actual vaccination behavior.

AbstractPrior work has extensively studied neural deficits in children with reading impairment (RI) in their native language but has rarely examined those of RI children in their second language (L2). A recent study revealed that the function of the local brain regions was disrupted in children with RI in L2, but it is not clear whether the disruption also occurs at a large‐scale brain network level. Using fMRI and graph theoretical analysis, we explored the topology of the whole‐brain functional network during a phonological rhyming task and network reconfigurations across task and short resting phases in Chinese children with English reading impairment versus age‐matched typically developing (TD) children. We found that, when completing the phonological task, the RI group exhibited higher local network efficiency and network modularity compared with the TD group. When switching between the phonological task and the short resting phase, the RI group showed difficulty with network reconfiguration, as reflected in fewer changes in the local efficiency and modularity properties and less rearrangement of the modular communities. These findings were reproducible after controlling for the effects of in‐scanner accuracy, participant gender, and L1 reading performance. The results from the whole‐brain network analyses were largely replicated in the task‐activated network. These findings provide preliminary evidence supporting that RI in L2 is associated with not only abnormal functional network organization but also poor flexibility of the neural system in responding to changing cognitive demands.

AbstractWhereas policy change is often characterized as a gradual and incremental process, effective crisis response necessitates that organizations adapt to evolving problems in near real time. Nowhere is this dynamic more evident than in the case of COVID‐19, which forced subnational governments to constantly adjust and recalibrate public health and disease mitigation measures in the face of changing patterns of viral transmission and the emergence of new information. This study assesses (a) the extent to which subnational policies changed over the course of the pandemic; (b) whether these changes are emblematic of policy learning; and (c) the drivers of these changes, namely changing political and public health conditions. Using a novel dataset analyzing each policy's content, including its timing of enactment, substantive focus, stringency, and similar variables, results indicate the pandemic response varied significantly across states. The states examined were responsive to both changing public health and political conditions. This study identifies patterns of preemptive policy learning, which denotes learning in anticipation of an emerging hazard. In doing so, the study provides important insights into the dynamics of policy learning and change during disaster.

Abstract
In the face of vaccine hesitancy, public health officials are seeking more effective risk communication approaches to increase vaccination rates. We test the influence of visual policy narratives on COVID-19 vaccination behavior through a panel survey experiment conducted in early 2021 (n = 3,900) and then 8 weeks later (n = 2,268). We examine the effects of three visual policy narrative messages that test the narrative mechanism of character selection (yourself, your circle, and your community) and a nonnarrative control on COVID-19 vaccine behavior. Visual risk messages that use narratives positively influence COVID-19 vaccination through serial mediation of affective response to the messages and motivation to get the COVID-19 vaccination. Additionally, character selection matters, as messages focusing on protecting others (i.e. your circle and your community) perform stronger than those of yourself. Political ideology moderated some of the effects, with conservative respondents in the nonnarrative control condition having a higher probability of vaccination in comparison to the protect yourself condition. Taken together, these results suggest that public health officials should use narrative-based visual communication messages that emphasize communal benefits of vaccinations.