ALPINE HUTS IN CANADA'S WESTERN MOUNTAINS

From their European origin, mountain or alpine huts have spread to many of the world's mountain areas. This paper traces their development in Canada's Rocky, Selkirk, and Purcell Mountains where, in less than 100 years, they have diffused from a core area to most of its major climbing areas and are now located at 'big mountains' as well as in easily accessible valleys below tree line. Reflecting changes in the society at large and the climbing community in particular, they have evolved into homogeneous, unartistic, and environmentally alien, but practical, functional, and cost-effective structures. Considerations for their siting, architectural aspects of their design, governmental and Alpine Club of Canada policies regarding huts, as well as arguments for and against building them are discussed. Options for their role in the overall future development of Canada's ever-shrinking and environmentally sensitive undeveloped mountain areas are supplied.     

全球化背景下的广东省制造业地理集中研究

本文利用2004年经济普查的数据,分析了广东省制造业的地理分布特征。广东省大多数的制造业地理集中程度都较高,并且主要集中在珠三角地区,很多地理集中程度较高的制造业分布都存在较高的空间自相关性。对广东省制造业集中的实证研究表明,资源和能源投入强度较高的产业较为集聚,并且出口显著提高了产业集聚程度。尽管外资是广东省制造业发展的重要力量,但是并没有促进产业的集聚,说明制造业外资已经进入扩散阶段。本文的结果和全国尺度的研究结果存在差异,这说明地理尺度对于研究产业集聚非常重要。     

KEY TECHNOLOGY INDUSTRIES IN THE WATERLOO REGION: CANADA'S TECHNOLOGY TRIANGLE (CTT)

Key technology industries, or high-tech industries, as they are frequently called, are often thought to provide a community with a sound economic base for present and future development. For this reason many communities try to attract or nurture such industries. This article presents results from a sample of 33 key technology firms in Canada's Technology Triangle (CTT), consisting of the cities of Guelph, Cambridge, and Kitchener-Waterloo. It suggests that many are local firms, small, frequently spin-offs of university research endeavours, and research-intensive. The larger ones are less research-intensive and more production oriented. All are surprisingly strongly tied, in terms of input and output linkages, to economic activities within a 100-km radius, which includes the Toronto area. Skilled labour and local residence / education are the strongest location factors. The relatively favourable industrial climate in the CTT region should enable key technology industries to flourish in the area. Il est supposé que les industries de haute technologie fournissent une base solide pour le développement éco-nomique des municipalités. Pour cette raison de nom-breuses communautés essaient d'attirer ou de faire naǐtre de telles industries. Cet article présente les résultats d'un sondage auprès de 33 entreprises de haute technologie dans les municipalités de Guelph, Cambridge et Kitchener-Waterloo (Triangle Technologique du Canada - TTC). En général, ce sont des entreprises locales souvent issues (spin-offs) de I'université de Waterloo, de taille petite et orientées vers la recherche. Par contre, les entreprises plus importantes sont moins orientées vers la recherche et plus vers la production. Toutes ces entreprises sont étroitement imbriquées en termes de liens d'entrée et de sortie; leurs activités économiques se situent dans un rayon de 100 km, qui inclut Toronto. Les facteurs de localisation les plus importants sont: ‘la main-d'oeuvre qualifiée' et la proximité des lieux résidence /éducation. Les conditions industrielles relativement favorables du CTT devraient aider les industries de haute technologie à prospérer dans cette région.     

REGIONAL TRAJECTORIES OF TECHNOLOGICAL CHANGE IN CANADIAN MANUFACTURING

Techniques of production were measured for 18 manufacturing industries across 6 regions of Canada between 1961 and 1988. In any given year, production technology, measured by a pair of capital and labour input coefficients, varies markedly over space. The relative positions of regions in a two-dimensional technology-space appears consistent across industries. With industry-mix effects removed, multivariate analysis of variance confirms that regional differences in production techniques are significant. Further investigation reveals that spatial variations in techniques of production persist over time. These findings support the claims of evolutionary theorists, demonstrating that in Canadian manufacturing industries regions tend to move along distinct trajectories of technological change.
On a mesuré les techniques de production dans 18 industries manufacturières de 6 régions du Canada au cours de la période 1961-88. La technologie de production, mesurée par deux coefficients des entrées du capital et du travail, diffère considérablement d'une région à l'autre à une année donnée. Les positions relatives des régions par rapport aux deux dimensions espace-technologie se maintiennent dans toutes les industries. Si on écarte les effets de la composition industrielle, l'analyse de variance à plusieurs variables démontre qu'il existe d'importantes différences régionales en techniques de production. L'analyse complémentaire révèle que les variations spatiales des techniques de production persistent à travers le temps. Ces résultats confirment la position des théoriciens évolutionnistes à l'effet que dans les industries manufacturières canadiennes, les régions ont tendance à suivre des trajectoires distinctes de changements technologiques.     

中国区域经济增长趋同与分异研究

本对改革开放以来我国区域经济增长过程的实证分析表明,1978—1990年我国的区域经济增长表现为σ趋同,在1990-1999年期间则没有出现σ趋同,却表现为分异。与此相对应,1978-1990年我国的区域经济增长也发生了β趋同,趋同的速度在2．2％以上。这个速度与国外学关于β趋同速度在2％左右的结论相接近。但是,1990-1999年我国区域经济增长的β趋同系数却为正值,表明这个时期我国区域经济增长并没有出现β趋同,而是出现了分异。就1978-1999年的总体情况看,我国区域经济增长存在着β趋同,不过β趋同的速度很小,只略高于0．9％。在1978-1999年期间,我国的区域经济增长存在着明显的俱乐部趋同现象。因此,在实施西部大开发战略的同时,国家的区域政策还必须根据变化了的区域经济格局,采取有针对性的分区调控措施,才能够有效促进全国区域经济协调发展。     

LOCATIONAL FACTORS OF MACHINE MANUFACTURING IN THE SOVIET NORTH

Arguments are marshaled against the location of machine manufacturing in the North. The location of suppliers and the location of the market are viewed as negligible factors because machinery plants generally are supplied from a large number of sources and serve a highly dispersed market. The crucial element is said to be the issue of labor resources, particularly skilled labor, and the associated infrastructure that would be needed in the North. It is also pointed out that machine manufacturing is traditionally most cost-effective in large urban centers and in older industrial areas where it benefits from the so-called agglomerative effect of locational factors. It is recommended that metal-fabricating activities in the North be restricted to essential equipment repairs and overhauls and occasional manufacture of nonstandard equipment, with greater use of centralized supplies of spare parts. (For an opposed view, see V. P. Yevstigneyev in Soviet Geography, May 1976.)     

CANADA'S INDUSTRIAL PERFORMANCE AND PROSPECTS UNDER FREE TRADE

Canada is currently involved in renegotiating its tariffs in the present discussions on the General Agreement on Tariffs and Trade (gatt). Although official policy seems to be cast in terms of sectoral tariff cuts, reflecting Canada's trading strengths and weaknesses, there has been strong advocacy by some economists that Canada should enter free-trade agreements with the United States or preferably on a multilateral basis (Daly and Globerman, 1976; Economic Council of Canada, 1975; Wonnacott, 1975). The recent books advocating free trade are persuasive in mood and argument but their authors follow "the established orthodoxy of most economists in this country over the past two decades: foreign investment is, of itself, not a problem except to the jaundiced eye of the (nationalist) beholder. The tariff is the real villain … There are no problems, in this view that a good dose of free trade and free capital markets will not cure" (Rotstein, 1972, 2). So, we are faced with a paradox: on the one hand some economists, including those working for the Economic Council, are strongly committed to the argument that free trade will lead to manufacturing success for Canada while on the other hand the nation is experiencing its worst negative balance for secondary manufactured goods. Canada's trading partners have indicated increasingly that Canada does not produce finished goods of the type they require at attractive prices. This anti-export syndrome is a product of the high exchange value of the Canadian dollar (till early 1977) and the high basic cost of Canadian goods.     

CANADA'S NATIONAL PARKS: A MODEL OF ADMINISTRATIVE PENETRATION

National parks can no longer be considered as pristine ecosystems protected by impenetrable boundaries. It is now realised that many forces outside national park boundaries create significant changes within those boundaries. To date, most attention has focussed upon penetration by biophysical factors. This paper addresses another aspect, external influence over decision making in the parks. It suggests that three main groups - entrepreneurs, environmentalists, and aboriginal peoples - have been dominant in different time periods, and uses case studies to illustrate the rise to current prominence of aboriginal peoples. Reasons are suggested for this ascendancy.
Les pares nationaux ne peuvent plus être considérés comme des écosystèmes primitifs protégés par des limites impénétrables. On remarque à présent que beaucoup de forces en dehors des limites des pares nationaux peuvent créer des changements significatifs à &lcaron intérieur de ces limites. Jusquà maintenant la plupart des études ont traité de la pénétration par des facteurs biophysiques. Cet article traite &dcaron un autre facteur, une influence externe qui agit sur les décisions prises au sujet des pares. Nous suggérons que trois groupes principaux - les entrepreneurs, les écologistes et les populations autochtones - ont été dominants à des époques différentes, et soumettrons des études de cas pour illustrer comment les populations autochtones sont arriveées à la dominance. Nous offrirons également des raisons pour cette ascension.     

STRUCTURAL CONTROL ALGORITHMS IN EARTHQUAKE RESISTANT DESIGN

The dynamic finite element equations of a two-dimensional structure made of axial-flexural frame elements with tendon-driven actuators have been derived. A critical review of classical optimal control theory is made with respect to its application to the control of structure under seismic excitations. Seven control algorithms, including two newly proposed algorithms, have been described, investigated and discussed. The need of an optimal observer, Kalman filter, is discussed. The validity of separation theorem applicable to the optimal stochastic control of structure for earthquake resistance is shown. How the control system perform under the circumstances of actuator saturation is also shown. Several numerical examples are worked out to demonstrate and compare the efficiency and limitations of those control algorithms.     

THE EFFECT OF ACCESSIBILITY ON PRODUCTIVITY IN SPANISH MANUFACTURING FIRMS

This paper evaluates the impact of accessibility on the productivity of Spanish manufacturing firms. We suggest the use of accessibility indicators of workers and commodities, integrating transport, land use, and individual components, computing real distances or traveling times using the Spanish full road network. Estimated firms’ total factor productivity is explained as a function of the accessibility indicators and additional control variables. Results evidence the crucial role on firms’ productivity to the accessibility of commodities and to a slightly lesser extent the workers.     

A QUARTERLY ECONOMETRIC MODEL OF FACTOR DEMANDS IN REGIONAL MANUFACTURING

This paper presents a model of demand for factor inputs in regional manufacturing industry. Demands for labor and capital are distinguished from demands for factor services using a generalization of the disequilibrium adjustment framework of Nadiri and Rosen. The generalization allows for a richer variety of responses to external shocks and involves the distinction between systematic and error dynamics.
The model is estimated for the period 1963:I-1980:I using data from the Cincinnati SMSA and appropriate econometric techniques. Substantial attention is paid to the dynamic response of the estimated equations.