The two faces of social capital in private flood mitigation: opposing effects on risk perception,self-efficacy and coping capacity

Impacts of flooding are expected to increase, most notably in residential areas. As a consequence, private households are increasingly encouraged to engage in private flood mitigation complementary to public measures. Despite the growing literature on private flood mitigation, little is known about how social capital influences households’ perception of and coping with flood risks. This study draws on survey data of 226 flood-prone households in two Austrian Alpine municipalities, both recently affected by riverine flooding. We show that social capital cuts both ways: on the positive side, social capital increases perceived self-efficacy and provides critical support during and most notably after flood events. On the negative side, social capital reduces flood risk perceptions of private households. While social ties are effective when responding to and recovering from floods, the expectation of social support downplays risk, making precautionary action by households less likely. The results also show that flood-affected households receive more social support than they provide to others. In the long-run, this can lead to a problematic reciprocity imbalance, challenging the long-term stability of the interpersonal exchanges underlying social capital. Among the various sources of social support, informal social networks (neighbours, friends and relatives) provide the most important workforce in the response and recovery phase of a flood event. It is therefore crucial for flood risk management to recognise and promote the protective quality of social capital alongside conventional structural and non-structural measures.     

Community social capital and individual disaster preparedness in immigrants and Canadian-born individuals: an ecological perspective

Abstract

Psychological research on the predictors of disaster preparedness has mainly focused on individual-level factors, although the social environment plays an important role. Our goal is to provide a systemic perspective to help improve risk communication and risk management for natural disaster risks. We examined how community-level social capital related to individual-level disaster preparedness in immigrants compared with Canadian-born individuals. We characterised participants’ communities’ social capital by conceptually linking two national surveys using postal codes. We performed sequential linear multiple regression analysis to examine the relationship between community social capital and individual disaster preparedness. Results revealed three components of social capital: societal trust, interaction with friends, and neighbourhood contact. Societal trust positively predicted the extent to which immigrants and Canadian-born individuals knew someone who would search for them post-disaster. Interestingly, results revealed that Canadian-born individuals were more likely to uptake emergency planning when living in a community with strong societal trust, while the reverse was true for immigrants. Results suggest that some components of social capital may have an effect on certain preparedness behaviours. Societal trust could have both positive and negative effects on emergency planning depending on individuals’ immigrant status. Risk communication and risk management should consider social capital as part of the framework for effective disaster preparedness.     

The determinants of integrating policy-based and community-based adaptation into coastal hazard risk management: a resilience approach

Abstract

A growing number of studies focus on improving the understanding of how the households’ adaptations can be encouraged in the process of coastal hazards and risk management. Particularly, this process is undergoing a major paradigm shift as it moves from an approach dominated by policy-based adaptation to another one in which community-based resilience building is favored. Thus, this article aims to apply a resilience approach to improve the knowledge about how public measures influence private autonomous adaptation behavior, through a transdisciplinary investigation of household adaptation behavior and its determinants. The Resilience Framework of Household Autonomous Adaptation to Climate- and Weather-Related Hazard Risks (ROHACHR) is proposed and combined with a focus group meeting and multivariate analysis to compare pre-disaster, during a disaster, post-disaster adaptations, and resilience behavior of households. Using an empirical survey of the households in three coastal municipalities in Taiwan, we examine the relationships between public measures and private adaptations that provides three distinguishing types of household behavior: ‘core’, ‘trust in governmental aid’, and ‘awareness and structures’. Results show that providing hazard risk information may be one step toward encouraging private autonomous adaptations. Several factors that help foster resilience also appear to be influential in households’ adaptation decisions, such as specific and positive governmental aid, information trust, and social capital. Based on these results, it shows that the ROHACHR is useful to characterize households’ adaptation and resilience behavior and explain how they respond to public measures. Finally, the policy implications of our findings for improving resilience of coastal communities and encouraging public-private collaboration in the process of hazard risk management are discussed.     

Accessibility of flood risk insurance in the UK: confusion,competition and complacency

Flood risk insurance can be an effective tool in assisting the restoration of damaged property after a flood event and sustaining communities through difficult times. It can also form part of a wider flood risk management strategy. In the light of recent flood events in the UK and in the context of changing property insurance markets, the universal cover previously enjoyed by floodplain residents has been called into question. Conflicting media and industry views leave the floodplain resident and the wider community in confusion. A survey of floodplain residents in England regarding their experience with flooding and flood insurance in England has been undertaken. The results reveal that some floodplain residents do indeed encounter difficulties when seeking insurance for their homes. However, despite the risk‐averse policies of some insurers, availability of insurance is still strong in both at‐risk and previously flooded locations. Success in gaining insurance may lead to complacency among residents who see no advantage in pursuing other, more costly, damage mitigation actions. As a tool in risk management, therefore, the market is prevented from realising its potential by competition, which results in a lack of a consistent approach, rewards homeowners' search strategies and reduces information flow.     

Cost of capital and valuation in the public and private sectors: Tax,risk and debt capacity

Cost of capital and valuation differ in the private and public sectors, because taxes are a cost to the private sector but are only a transfer to the public sector. We show how to transform the after-tax private sector cost of capital into its pre-tax equivalent, for comparison with the public sector cost of capital. We establish the existence of a tax induced wedge between these two costs of capital. The wedge introduces a preference on the part of the private sector for assets with rapid tax depreciation, high debt capacity and low risk. We show that, in circumstances where an asset has identical public and private sector valuation in the absence of taxes, the tax induced difference in valuation is identical to the change in government tax receipts that results from having the asset owned by the private rather than the public sector. We provide some examples of distortions that result from failure to adjust for changes in tax revenues, and show how to effect such adjustment.     

The role of life insurance in an emerging economy: Human capital protection,assets allocation and social interaction

In this paper, we provide micro-econometric evidence on the determinants of life insurance demand in China, the largest emerging market in the world. We employ the China Household Income Project (CHIP) dataset for the year 2002 in the analysis. The timing is ideal, because of the nature of the less well developed capital markets and social security systems in China in 2002, which sets a suitable stage to study the insurance demand behavior of emerging markets. The results indicate that both the human capital protection motive and the asset allocation motive are important in explaining the purchase of life insurance in China. In addition, we present three empirical regularities: (1) the positive correlation between the returns to human capital and the returns to market portfolio decrease the demand for life insurance; (2) both the current wealth and future income of a household exert curvilinear impacts on life insurance demand; (3) the breadth of a households social connections has substantial impacts on life insurance demand.     

Perception of risk from air pollution and reported behaviors: a cross-sectional survey study in four cities

We investigate how public perceptions of air pollution, risk beliefs and self-reported actions to limit personal exposure to ambient air pollution vary across cities. Our analysis also examines the extent to which a number of individual-level variables are associated to self-protective and information-seeking actions due to bad air quality. Data was collected through a questionnaire survey in four cities with a total sample of 1202 inhabitants. We found a moderate variation in the subjective evaluation of local air pollution between cities, as well as in the levels of annoyance and distress due to air pollution. There was relatively little variation in perceived severity, worry and self-reported actions. No variation was found for self-reported attention to air quality levels and controllability beliefs regarding the risks from air pollution. Preliminary modeling of four self-reported actions suggests that self-reported attention to air quality levels and worry are important predictors of self-protective and information seeking behavior. We conclude that both personal and contextual factors have to be taken into account in order to understand public reactions to outdoor urban air pollution. We discuss the implications in terms of risk and health communication.     

Drivers of flood and climate change risk perceptions and intention to adapt: an explorative survey in coastal and delta Vietnam

Abstract

This article contributes to current research about determinants of climate change and flood risk perception, and intentions to take adaptive measures. We propose a research model that distinguishes between vulnerability and severity components of perceived risks, and adds perceived adaptive capacity as a third factor to predict the intention to take adaptive measures. We used this combined model as a conceptual lens for an explorative survey among 1086 residents of coastal and delta communities in Vietnam. Pairwise analyses revealed a significant association of flood and climate change risk perceptions with individual’s flood experience, climate change knowledge, frequency of community participation and socio-demographic factors. However, in multivariate analysis, the influence of most socio-demographic factors became weak or patchy. Flood experience was the most influential driver of flood-related risk perceptions but weak for climate change-related risk perceptions and behavioural intentions. Knowledge strongly increased the intention to adapt to flood and climate risks and the perceived vulnerability to and severity of climate change risks, but reduced the perceived capacity to adapt to climate risks. Frequency of community participation increased the perceived vulnerability and severity of climate change risks, the intention to adapt to both climate and flood risks and the perceived capacity to adapt to flood risks, but reduced the perceived capacity to adapt to climate risks. Our research confirms earlier findings that individuals’ knowledge, place-specific experience and social-cultural influences are key predictors of both flood and climate change risk perceptions and intentions to take adaptive measures. These factors should therefore receive ample attention in climate risk communication.     

Measurement of risk perceptions in social research: a comparative analysis of ordinary least squares,ordinal and multinomial logistic regression models

Drawing on data gathered in the 2006 Monitoring the Future study of American youth (n = 2489), this investigation offers a comparative analysis of ordinary least squares (OLS), ordinal and multinomial logistic regression models in examining the effects of multiple factors on perceptions of alcohol risk. The article addresses limitations of OLS models in risk analyses and demonstrates how scholars can avoid making statistical errors when positioning vague quantifiers as ordinal dependent measures. Substantively, the article finds differential effects for (1) sex, (2) perceived attitudes of peers toward alcohol consumption, (3) frequency of intoxication, (4) teacher efforts toward alcohol education, (5) frequency of communicating with friends, and (6) newspaper exposure, as determinants of alcohol risk perceptions. Through statistical results and visual displays, the article reveals how inferences made about these effects stand to vary depending on the regression method chosen.