Hitting and missing targets by ambulance services for emergency calls: effects of different systems of performance measurement within the UK

Summary.  Following devolution, differences developed between UK countries in systems of measuring performance against a common target that ambulance services ought to respond to 75% of calls for what may be immediately life threatening emergencies (category A calls) within 8 minutes. Only in England was this target integral to a ranking system of 'star rating', which inflicted reputational damage on services that failed to hit targets, and only in England has this target been met. In other countries, the target has been missed by such large margins that services would have been publicly reported as failing, if they had been covered by the English system of star ratings. The paper argues that this case-study adds to evidence from comparisons of different systems of hospital performance measurement that, to have an effect, these systems need to be designed to inflict reputational damage on those that have performed poorly; and it explores implications of this hypothesis. The paper also asks questions about the adequacy of systems of performance measurement of ambulance services in UK countries.     

Analytic bounds on causal risk differences in directed acyclic graphs involving three observed binary variables

We apply a linear programming approach which uses the causal risk difference (R_DC)$(R{D}_C)$ as the objective function and provides minimum and maximum values that R_DC$R{D}_C$ can achieve under any set of linear constraints on the potential response type distribution. We consider two scenarios involving binary exposure X, covariate Z and outcome Y. In the first, Z is not affected by X, and is a potential confounder of the causal effect of X on Y. In the second, Z is affected by X and intermediate in the causal pathway between X and Y. For each scenario we consider various linear constraints corresponding to the presence or absence of arcs in the associated directed acyclic graph (DAG), monotonicity assumptions, and presence or absence of additive-scale interactions. We also estimate Z-stratum-specific bounds when Z is a potential effect measure modifier and bounds for both controlled and natural direct effects when Z is affected by X  . In the absence of any additional constraints deriving from background knowledge, the well-known bounds on R_Dc$R{D}_c$ are duplicated: -Pr(Y≠X)?R_DC?Pr(Y=X)$-\mathit{Pr}(Y\ne X)?R{D}_C?\mathit{Pr}(Y=X)$. These bounds have unit width, but can be narrowed by background knowledge-based assumptions. We provide and compare bounds and bound widths for various combinations of assumptions in the two scenarios and apply these bounds to real data from two studies.     

Competing for Talent: Diffusion of An Innovation in New Zealand's Immigration Policy

In 2003, New Zealand introduced a novel “expression of interest” (EOI) system for selecting skilled migrants. In 2012, Australia adopted a similar approach while the Canadian government is proposing to adopt a variant of the EOI system in 2015. From being a follower of Canadian and Australian immigration policy initiatives, New Zealand has become the innovator. This paper examines the reasons for this significant policy shift and reviews some outcomes of the EOI system during the first decade of operation. As the international competition for talent intensifies, such policy innovation is essential if countries are going to attract skilled migrants.     

The Great Recession and the Allure of New Immigrant Destinations in the United States

In the 1990s, the immigrant population in the United States dispersed to non‐traditional settlement locations (what have become known as “new immigrant destinations”). This paper examines whether the allure of new destinations persisted in the 2000s with a particular focus on the internal migration of the foreign‐born during the recent deep recessionary period and its aftermath. Three specific questions motivate the analysis. First, are immigrants, much like the U.S.‐born population, becoming less migratory within the country over time? Second, is immigrant dispersal from traditional gateways via internal migration continuing despite considerable economic contraction in many new destination metropolitan areas? Third, is immigration from aboard a substitute for what appears to be declining immigrant internal migration to new destinations? The findings reveal a close correlation between the declining internal migration propensity of the U.S.‐born and immigrants in the last two decades. We also observe parallels between the geographies of migration of native‐ and foreign‐born populations with both groups moving to similar metropolitan areas in the 1990s. This redistributive association, however, weakened in the subsequent decade as new destination metropolitan areas lost their appeal for both groups, especially immigrants. There is no evidence to suggest that immigration from abroad is substituting for the decline in immigrant redistribution through internal migration to new destinations. Across destination types, the relationship between immigration from abroad and the internal migration of the foreign‐born remained the same during and after the Great Recession as in the period immediately before it.     

Effects of long-term landscape dynamics and city growth on biodiversity in the Mediterranean: the case study of Montpellier,France

In the Mediterranean, long-term land-use changes have resulted into landscape mosaics composed of very few ancient woodland remnants scattered across extended post-agricultural woodlands. Patches of ancient woodlands are now suffering rapid urban growth that reduces their area and impact their associated biodiversity. Here we use the case study of Montpellier, one of the most dynamic cities in France, to 1) characterize temporal changes in land covers (between 1860 and 2006) in its area, and 2) using two guilds of fungal bioindicators (i.e., polypores and lichens), to compare biodiversity stakes between ancient and secondary Mediterranean woodlands. We used a combination of historical maps, archives, fungal collections and field survey in eight Quercus ilex patches (4 ancient versus 4 recent replicates) to reconstruct landscapes dynamics and assess biodiversity changes. From the 19th to the 21st century, over half (52.4%) of the ancient woodlands within Montpellier were replaced by other land covers, mainly by urban equipment, while secondary patches (16.8% of the total area) were naturally established. Remaining ancient woodlands show multi-layered vegetation made of multi-secular Pinus halepensis dominating a dynamic understorey made of Quercus ilex and various Mediterranean shrubs. Polypores, but not macrolichens, tended to differ in community composition between ancient and recent woodland patches, with the highest diversity found in ancient woodlands. This study highlights that urban woodland patches of contrasted histories harbour distinct biodiversity stakes to be included in urban planning and provide valuable areas to evaluate biodiversity patterns and dynamics.     

Folk economics and its role in Trump’s presidential campaign: an exploratory study

This article focuses on an area of study that may be called folk economics and that is currently not on the social science agenda. Folk economics has as its task to analyze and explain how people view the economy and how it works; what categories they use in doing so; and what effect this has on the economy and society. Existing studies in economics and sociology that are relevant to this type of study are presented and discussed. A theoretical framework for analyzing folk economic issues is suggested, centered on the distinction between episteme and doxa or between scientific knowledge, on the one hand, and everyday knowledge, on the other. This is then applied to an exploratory case study of the role that folk economics played in Trump’s presidential campaign. It is shown that Trump and his voters thought in a parallel way on key economic issues, especially protectionism.     

Redefining Critical Autism Studies: a more inclusive interpretation

This article explores the definition of Critical Autism Studies and its inclusion in autistic scholarship. There has been critique of recent non-autistic literature for lacking autistic authorship, leading to doubts about its epistemological integrity due to misrepresentations of autistic culture and the neurodiversity movement. This article utilises the work of Arnold, Milton and O’Dell et al. to introduce an emancipatory definition to ensure the discipline is autistic led. In the process, we discuss the nature of autism studies and what constitutes critical literature. We propose Waltz’s interpretation of Critical Autism Studies as a working definition.     

Paternity Leave‐Taking and Father Engagement

Evidence suggests that paternity leave‐taking is associated with higher levels of father involvement, but research has been limited in its focus on cross‐sectional analyses and indicators of father involvement used. This study uses national longitudinal data to examine whether paternity leave‐taking is associated with 2 indicators of father engagement when children are infants, whether paternity leave‐taking is associated with trajectories of father engagement during the first few years of a child's life, and whether the relationships between paternity leave and father engagement are explained by fathering commitments and attitudes. The results suggest that longer periods of leave are associated with more frequent engagement in developmental tasks and caretaking when children are infants as well as during the first few years of children's lives. There is also evidence that father attitudes partially explain the relationships between length of paternity leave and father engagement.