Co-movements in commodity prices : a note based on network analysis

This article analyses co-movements in a wide group of commodity prices during the time period 1992–2010. Our methodological approach is based on the correlation matrix and the networks inside. Through this approach we are able to summarize global interaction and interdependence, capturing the existing heterogeneity in the degrees of synchronization between commodity prices. Our results produce two main findings: (a) we do not observe a persistent increase in the degree of co-movement of the commodity prices in our time sample, however from mid-2008 to the end of 2009 co-movements almost doubled when compared with the average correlation; (b) we observe three groups of commodities which have exhibited similar price dynamics (metals, oil and grains, and oilseeds) and which have increased their degree of co-movement during the sampled period.

The pattern of coupling dynamics between postural motion, isotonic hand movements and physiological tremor

This study was designed to examine differences in the coupling dynamics between upper limb motion, physiological tremor and whole body postural sway in young healthy adults. Acceleration of the hand and fingers, forearm EMG activity and postural sway data were recorded. Estimation of the degree of bilateral and limb motion-postural sway coupling was determined by cross correlation, coherence and Cross-ApEn analyses. The results of the analysis revealed that, under postural tremor conditions, there was no significant coupling between limbs, muscles or sway across all metrics of coupling. In contrast, performing a rapid alternating flexion/extension movement about the wrist joint (with one or both limbs) resulted in stronger coupling between limb motion and postural sway. These results support the view that, for physiological tremor responses, the control of postural sway is maintained independent to tremor in the upper limb. However, increasing the level of movement about a distal segment of one arm (or both) leads to increased coupling throughout the body. The basis for this increased coupling would appear to be related to the enhanced neural drive to task-specific muscles within the upper limb.

When the five giants of post war reconstruction meet the four pillars of welfare reform-young people lose out, again

This paper discusses proposed changes to the Australian welfare state in the Welfare Review chaired by Patrick McClure and launched by Kevin Andrews, Minister for Social Services in the Abbott government, in a recent address to the Sydney Institute. Andrews cited the Beveridge Report of 1942, referring to Lord William Beveridge as the “godfather of the British post-war welfare state”, commending him for putting forward a plan for a welfare state providing a minimal level of support, constituting a bare safety net, rather than “stifling civil society and personal responsibility” through generous provision. In line with a key TASA conference theme of challenging institutions and identifying social and political change at local and global levels, this paper examines both the Beveridge Report and the McClure Report, identifying key issues and themes of relevance to current times in Australia.

‘The struggle for welcome’ : valuing difference through refugee stories in the English Curriculum

This paper is concerned with how refugee stories can be used as the means of exploring values and developing intercultural understanding in the English classroom. To illustrate this possibility, André Dao’s (2005) Vuot Bien – The Search for Freedom: Huong Thi Nguen’s Story, about the impact of war and oppression on people’s lives, together with the experience of seeking freedom and acceptance in Australia as a Vietnamese refugee, is selected as the text for a Year 9 English class. In examining the features of this short story, we also consider how recent efforts to foster intercultural understanding in the new national curriculum in Australia might be advanced in the English classroom. We argue that this text and others in the genre of refugee narratives written by young people, provide vicarious opportunities to analyse how valuing freedom and having the courage to seek it can be brought to light when an individual survives one life and begins the challenges of creating a new life among strangers. Examining the values dimensions of such texts also allows young people to unpack and critique the ways in which cultural experiences, including their own, shape and form identities and how engaging with the experiences of others can be the vehicle for valuing difference. We hope our discussion might encourage teachers in other countries undergoing cultural shifts in response to the movements of people will be encouraged to consider this ‘double entendre’ in which the refugee experience is shaped not only by ‘the journey’ and also by ‘the arrival’ and the degree to which newcomers, refugee or asylum seekers, are made welcome by the receiving community.

Tomorrow, When the War Began

Synopsis and review of the Australian feature film Tomorrow, When the War Began directed by Stuart Beattie.

Imaginging the good Indigenous citizen : race war and the pathology of partiarchal white sovereignty

In June 2007, the Australian federal government sent military and policy into Indigenous communities in the Northern Territory on the premise that sexual abuse of children was rampant and a national crisis. This article draws on Foucault’s work on sovereignty and rights to argue that patriarchal white sovereignty as a regime of power deploys a discourse of pathology in the exercising of sovereign right to subjugate and discipline Indigenous people as good citizens.

Curriculum movements in science education

"The Latin meaning of the word “curriculum” as the race course for athletic sports is a good place to start to describe the use of this word in science education. It conjures up senses of contest and of challenge that have been part of the science curriculum since its earliest beginnings in schooling. Curriculum also had a Latin meaning associating it with the “deeds and events for developing a child to an adult” that also finds resonance in how the teaching and learning of science has in some places and some occasions been conceived. It is this sense of the prescription of an intended curriculum – what is to be taught and learnt in science – that this entry discusses the science curriculum’s movement over time. Others in education, and indeed in science education, use the word “curriculum” much more widely to include the pedagogies in classroom practice, the many other explicit and implicit experiences that ..."--Publisher website

Made by motion: A conceptual framework for abstracted animation derived from motion-captured movements

Despite an increasing number of acclaimed abstract animations being created through the application of motion capture technologies there has been little detailed documentation and analysis of this approach for abstract animation production. More specifically, it is unclear what the key considerations are, and what issues practitioners might face, when integrating motion capture movement data into their practice. In response to this issue this study explored and documented the practice of generating abstract visual and temporal artefacts from motion captured dance movements that compose abstract animated short films. The study has resulted in a possible framework for this form of practice and outlines five key considerations which should be taken into account by practitioners who use motion capture in the production of abstract animated short films.

Food justice or food sovereignty? Understanding the rise of urban food movements in the USA

As world food and fuel prices threaten expanding urban populations, there is greater need for the urban poor to have access and claims over how and where food is produced and distributed. This is especially the case in marginalized urban settings where high proportions of the population are food insecure. The global movement for food sovereignty has been one attempt to reclaim rights and participation in the food system and challenge corporate food regimes. However, given its origins from the peasant farmers' movement, La Via Campesina, food sovereignty is often considered a rural issue when increasingly its demands for fair food systems are urban in nature. Through interviews with scholars, urban food activists, non-governmental and grassroots organizations in Oakland and New Orleans in the United States of America, we examine the extent to which food sovereignty has become embedded as a concept, strategy and practice. We consider food sovereignty alongside other dominant US social movements such as food justice, and find that while many organizations do not use the language of food sovereignty explicitly, the motives behind urban food activism are similar across movements as local actors draw on elements of each in practice. Overall, however, because of the different histories, geographic contexts, and relations to state and capital, food justice and food sovereignty differ as strategies and approaches. We conclude that the US urban food sovereignty movement is limited by neoliberal structural contexts that dampen its approach and radical framework. Similarly, we see restrictions on urban food justice movements that are also operating within a broader framework of market neoliberalism. However, we find that food justice was reported as an approach more aligned with the socio-historical context in both cities, due to its origins in broader class and race struggles.

Wrestling with schools, schooling and educational research (Personal Reflections on the European Union-supported Educational Research 1995-2003: Briefing Papers for Policy Makers)

I must admit that I approached the European Union-supported educational research 1995-2003: Briefing papers for policy makers with a sense of trepidation. As a researcher who defines himself as socially critical, I wondered about the dynamics of a policy document that was published by the bureaucracy that has, in some form, a vested interest in the structure and operation of education in its various guises. In turning my attention to this review, I decided to focus my attention on the third guiding question that argues education and training "are strongly interconnected with concerns that include citizenship and democratic participation, inequalities and social justice, cultural diversity and quality of life" (Millei, 2005). The Briefing Papers include recommendations on democracy and citizenship, social exclusion and equality, gender and dealing with mental illness in schools...

Trade war in the Pacific: ASEAN and the Trans-Pacific Partnership

Australian politicians are keen to project our participation in two major international trade talks - the Regional Comprehensive Economic Partnership (RCEP), and the Trans-Pacific Partnership (TPP) - as unproblematic.