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51.
Ng Sek-Hong 《Industrial Relations Journal》1984,15(3):64-74
The transient character of Hong Kong has prevented a stable class structure from crystallising locally. This article examines the industrial relations implications of the structural and normative features, focusing on the future and how its political uncertainties have constrained both the labour administration and the union movement in their choice of policy. 相似文献
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53.
Yew-Kwang Ng 《The Australian economic review》1987,20(3):21-35
The pricing and investment policies of a public enterprise should be designed to achieve efficiency since equity is better pursued by general policy regarding income distribution. Short-run marginal-cost pricing does not generally lead to long-term deficit, but may involve price and surplus/deficit cycles for the case with lumpy investments and growing demand, where the price increases with demand but is reduced with capacity expansion. Taking account of the extra costs of government revenue collection and the likely average price/cost ratio in the economy, the third-best pricing policy is likely to result in long-term surplus, making the objectives of equity, efficiency and financial viability much more consistent with each other than is generally believed. This is particularly true for water with historically increasing costs of additional sources of supply. 相似文献
54.
Yew-Kwang Ng 《The Australian economic review》1992,25(3):19-28
This article addresses some basic issues (including distributional weights, discount rates, and the value of life) in the cost-benefit analysis of urban drainage and provides a framework for the estimation of the optimal amount of investment for flood mitigation. This involves: (i) estimating the expected total damage from flooding in present-value terms before flood mitigation; (ii) deriving the reduction in expected total damage as the average recurrent interval of flooding increases; (iii) estimating how this interval increases with the amount of investment in flood mitigation; and (iv) choosing the optimal investment by equating marginal benefit and marginal cost. The framework is also applicable to other accident or damage mitigation investments and some issues discussed are relevant to all types of cost-benefit analysis. 相似文献
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57.
Yew-Kwang Ng 《Journal of Macroeconomics》1984,6(3):357-363
The response elasticities of (nominal) aggregate demand to the price level and to other nominal variables (e.g., money supply) are both positive but smaller than one. Aggregate demand is less/as responsive to real income than/as to the price level in the short/long run. Real aggregate demand is less/as responsive to real income than/as nominal aggregate demand is to the price level in the short/long run. Some uses of these results are indicated. 相似文献
58.
David S. Ng 《The Journal of Finance》1977,32(5):1717-1728
59.
We estimate price and income elasticities from a linear, log-linear, and the almost ideal demand model (with and without an adjustment for selectivity bias) in an effort to show that special attention should be paid to the underlying assumptions of consumer behaviour when estimating a medical care demand model. The literature on medical care utilization is extended by incorporating two major components of spending as separate demands in a system of medical care spending. We find that estimates of elasticities vary depending on the functional form of the estimating equation, thus questioning the usefulness for policy purposes of single estimates of elasticities. 相似文献
60.
Factors influencing the uptake of a mechatronics curriculum initiative in five Australian secondary schools 总被引:1,自引:0,他引:1
While the ready-made Lego™ Robotics kits are popular in schools and are used by students at both primary and secondary year
levels, using the Picaxe microcontroller (chip) to create simple electronic devices, including robotic devices is less popular.
The latter imposes an additional challenge as a result of the need to construct the universal board with the chip in it—a
challenge embraced in the cross-disciplinary mechatronics program in this study. This paper reports on how teachers from five
Australian secondary schools put into practice technological pedagogical content knowledge (TPCK) developed from expert-led
workshops and explores factors (intrinsic and extrinsic) that influenced the implementation. The results show that different
strategies were adopted by the schools in implementing the programs. While teacher attitude played an important role in influencing
the program’s success, being able to identify where the program sits within the curriculum and planning around timetable and
facility constraints were also important factors to consider. The research indicated that teachers’ TPCK was most challenged
in non-obvious areas such as diagnosing where faulty soldering joints were. 相似文献