The results show that the rela- tive economic scale between the norther and southern countries, wage disparity and fixed cost incurred for the northern corss- national enterprises to penetrate into the southern market determine the mode choices.
Taking radial power,radiation resistance and obstructer as three main lines,it analyses that administrative area,natural condition,population scale,town land-use scale,economic structure,economy scale,communication and market factor result in the town economic radial area.
Based on many previous studies on scale economy, through analysis about how the "scale" influnce the "economy", the paper concludes that the essence of scale economy is structure economy, and develops new skills of finding the best economy scale.
By using the input-output tables of both 1997 and 2002, the paper conducts quantitative analysis of the change of production structure, demand structure, imports and exports structure of each sector, including the economic size of each sector together with its proportion in total economy.
The concept of petroleum geologic reserve of minimum economic size considers the geographic, geologic and economic factors including the petroleum geologic condition, reservoir productivity, oil price, production cost, total investment and tax of the exploration area.
They are the economic scale and advantage, the growth rate, the labor force and economic extrovert etc.
The results indicate that Xinjiang cooperates with its most trade partners successfully in terms of present economic scale and developing level.
Pain intensity was evaluated by visual analog scale (VAS), and the patients' function and working ability were measured according to the Prolo functional-economic scale.
We find that, since 1960, temperate countries have converged towards high levels of income while tropical nations have converged towards various income levels associated with economic scale and the extent of the market.
As a result, these types of enterprises are unlikely to reach an economic scale to become globally competitive.
The technology level and industry activities in the field of aerospace engineering are very weak compared to Korea's economic size, and the R>amp;amp;D on superalloys is only at the beginning stage.
Other significant intra-industry trade drivers are geographical distance, economic size, trade openness and trade composition.
Economic size, unit labor costs and the magnification effects originating from multiple border crossing of sequentially finished products are found to be the most important determinants of trade within multinational firms.
It finds that the standard gravity variables of economic size and geographic proximity are significant factors in services trade.
The land area of Japan, especially flat land, is very small compared with its economic size.