Playing the Recording Once or Twice: Effects on Listening Test Performances

Much debate surrounds the issue of whether allowing candidates to listen to recordings twice is more desirable in language tests than offering just one opportunity. Using regression models, this study investigates, analyses and interconnects both item difficulty and stimulus length in relation to the frequency of stimulus presentation and its effect on test results. The study involved 1,266 eighth-grade learners with perceived A2/B1 level in English as a first foreign language. The final discussion seeks to offer explanations for the results that clearly indicate the advantages of listening once; likewise, potential implications for listening tests and classroom practice are raised.     

Capitalism as a social movement: the corporate and neoliberal reconstructions of the American political economy in the twentieth century

This paper examines the ways in which social movements based among leading capitalists have remade the US political economy. In the first part we examine the period from the late 1880s through the 1920s, sketching the emergence of a hegemonic movement that accomplished the re-embedding of capitalist social relations during the corporate reconstruction of American capitalism. In the second, we examine the disembedding of capitalist relations during the contemporary neoliberal era. The paper makes three major arguments. First, capitalists not just subaltern groups resort to collective action outside of institutional channels of authority and power. Second, during organic crises the movements of capitalists will join with movements of subaltern groups to create hegemonic projects, whose disparate supporters are articulated by discourses. Third, the concept of ‘social movement’ itself should be understood as a constituent part of a larger social formation and not sealed off from features of capitalism and the state. Indeed, hegemonic social movements have reconstructed the larger landscape that social movement theory normally takes for granted as a background. In applying this approach to the contested topic of neoliberalism, we argue that it was not primarily a class-based coup, a policy, ideology, or culture shift but a discourse that united elements of the left and the right as well as a ‘historic bloc’ with homes in both major parties. During both periods subaltern groups played an important role in the hegemonic movements that created corporate capitalism and later neoliberalism.     

The Impact of Economic Freedom and Personal Freedom on Net In-Migration in the U.S.: A State-Level Empirical Analysis, 2000 to 2010

Arguably, private enterprise flourishes under conditions of increased freedom. However, increases in economic freedom can sometimes impose costs on others (negative externalities and monopoly power being prominent examples). Nevertheless, on balance, it is typically expected that the greater the degree of economic freedom, the more successfully and efficiently markets perform and the greater the prosperity created through private enterprise. These net outcomes from greater freedom accelerate economic growth and development, which in turn creates opportunities for yet further success. From a different perspective, it can be argued that greater personal freedom promotes higher levels of utility for consumers in non-economic ways. Accordingly, the present study empirically investigates whether the prospects of greater economic freedom and/or greater personal freedom in any given state vis-à-vis other states act(s) to induce a greater net influx of migrants. This empirical study of internal U.S. migration over the study period from 2000 to 2010 finds clear evidence that migrants prefer to move to those states with greater economic freedom on the one hand and greater personal freedom on the other hand.     

On the use of priors in goodness‐of‐fit tests

Priors are introduced into goodness‐of‐fit tests, both for unknown parameters in the tested distribution and on the alternative density. Neyman–Pearson theory leads to the test with the highest expected power. To make the test practical, we seek priors that make it likely a priori that the power will be larger than the level of the test but not too close to one. As a result, priors are sample size dependent. We explore this procedure in particular for priors that are defined via a Gaussian process approximation for the logarithm of the alternative density. In the case of testing for the uniform distribution, we show that the optimal test is of the U‐statistic type and establish limiting distributions for the optimal test statistic, both under the null hypothesis and averaged over the alternative hypotheses. The optimal test statistic is shown to be of the Cramér–von Mises type for specific choices of the Gaussian process involved. The methodology when parameters in the tested distribution are unknown is discussed and illustrated in the case of testing for the von Mises distribution. The Canadian Journal of Statistics 47: 560–579; 2019 © 2019 Statistical Society of Canada     

What influences respondents to behave consistently when asked to consent to health record linkage on repeat occasions?

This study constitutes the first longitudinal exploration of consent to link survey and administrative data. It examines variations in consent over time and explores the influence of the respondents’ characteristics (both observed and latent) and the impact of the interviewers on consent co-operation. Respondent inclination to consent is modelled as a latent construct. Most respondents behave consistently over time. However, this consistency is not driven by a strong inclination to consent but rather by the circumstances of the respondents at the time of the interview and by the impact of the interviewers themselves. The findings also show that the change in consent behaviour over time is a clear indication that consent should be treated as a dynamic phenomenon at the individual level.     

The Message in Daily Exchange Rates: A Conditional-Variance Tale

Formal testing procedures confirm the presence of a unit root in the autoregressive polynomial of the univariate time series representation of daily exchange-rate data. The first differences of the logarithms of daily spot rates are approximately uncorrelated through time, and a generalized autoregressive conditional heteroscedasticity model with daily dummy variables and conditionally t-distributed errors is found to provide a good representation to the leptokurtosis and time-dependent conditional heteroscedasticity. The parameter estimates and characteristics of the models are found to be very similar for six different currencies. These apparent stylized facts carry over to weekly, fortnightly, and monthly data in which the degree of leptokurtosis and time-dependent heteroscedasticity is reduced as the length of the sampling interval increases.     

GMM Estimation with persistent panel data: an application to production functions

This paper considers the estimation of Cobb-Douglas production functions using panel data covering a large sample of companies observed for a small number of time periods. GMM estimatorshave been found to produce large finite-sample biases when using the standard first-differenced estimator. These biases can be dramatically reduced by exploiting reasonable stationarity restrictions on the initial conditions process. Using data for a panel of R&Dperforming US manufacturing companies we find that the additional instruments used in our extended GMM estimator yield much more reasonable parameter estimates.