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81.
We use an iterative finite difference method to establish theoretical models that reflect the relationships among climate threshold, financial hoarding and economic growth. We build a simultaneous equations model to conduct an empirical analysis based on China’s statistical data from 1979 to 2012. Our study yields the following results: China’s climate threshold has shown a zigzag-shaped rising trend since 1979; the main reasons for the rapid expansion of financial hoarding were high savings rate, savings leakage, higher marginal efficiency of financial hoarding compared to capital efficiency or higher internal creativity of the financial sector; there were positive cumulative effects between financial hoarding and economic growth, which were significantly inhibited by climate threshold; the climate threshold had discrepant influences on different industries. To achieve a balanced economy, more money should be invested in the real sector to appropriately reduce the rate of savings leakage; the financial sector should move from scale expansion to service efficiency improvements to increase its marginal contribution to the economy and to enhance capital efficiency; the real sector should improve technological innovation and speed up the adaptive adjustment in climate-sensitive industries to move from economic growth to advanced development. 相似文献
82.
Oliver E. Williamson 《Economic Affairs》2008,28(3):7-14
Theories commonly progress through four stages, from informal to pre‐formal to semi‐formal and fully formal. This paper reports on the earliest stage of transaction cost economics that extended from the 1920s to the 1970s. That the gestation stage lasted so long is partly because transaction cost economics departed significantly from the then‐prevailing economic orthodoxy. Also, and related, it is an interdisciplinary undertaking. As reported herein, transaction cost economics selectively combines economics, organisation theory and law and is the product of the contributions of some of the finest minds in those three fields. 相似文献
83.
Oliver Kopplin 《Heilberufe》2008,60(2):28-30
Zusammenfassung Eine Rollstuhlanpassung in fünf Akten — K?nnen Sie sich Ihren Arbeitsalltag ohne den Rollstuhl vorstellen? Sicher nicht. Doch
allzu oft kommt der n?chstbeste Stuhl zum Einsatz – ungeachtet der K?rperma?e der Person, die ihn benutzen soll und die dann
eher schlecht als recht darin sitzt. Doch schon kleinste Ver?nderungen an Rücklehne oder Sitzposition k?nnen Ihrem Patienten
helfen. Oliver Kopplin gibt Pflegekr?ften Tipps, worauf sie bei Patienten im Rollstuhl achten sollten. 相似文献
84.
85.
86.
We examine time‐series features of stock returns and volatility, as well as the relation between return and volatility in four of China's stock exchanges. Variance ratio tests reject the hypothesis that stock returns follow a random walk. We find evidence of long memory of returns. Application of GARCH and EGARCH models provides strong evidence of time‐varying volatility and shows volatility is highly persistent and predictable. The results of GARCH‐M do not show any relation between expected returns and expected risk. Daily trading volume used as a proxy for information arrival time has no significant explanatory power for the conditional volatility of daily returns. JEL classification: G15 相似文献
87.
Naive learning and cooperation in network experiments 总被引:1,自引:0,他引:1
In this paper we study learning and cooperation in repeated prisoners' dilemmas experiments. We compare interaction neighbourhoods of different size and structure, we observe choices under different information conditions, and we estimate parameters of a learning model.We find that naive imitation, although a driving force in many models of spatial evolution, may be negligible in the experiment. Naive imitation predicts more cooperation in spatial structures than in spaceless ones—regardless whether interaction neighbourhoods have the same or different sizes in both structures. We find that with some interaction neighbourhoods even the opposite may hold. 相似文献
88.
89.
Partitioned pricing is a tactic in which a seller presents multiple prices for a single product or service instead of one, all-inclusive price. This research investigates effects of partitioned prices containing a variable number of price components, under varying levels of seller trustworthiness, and with or without the presentation of the total price. The results indicate that partitioning into a large number of price components, relative to a small number of price components, negatively affects perceived fairness and purchase intentions for less trustworthy, but not more trustworthy, sellers when the total price is not presented. However, partitioning into a large number of price components positively affects fairness and purchase intentions, regardless of seller trustworthiness, when the total price is presented. The research also examines effects of partitioning on price estimation and recall. 相似文献
90.
This paper deals with recent proposals concerning temporary immigration visas as a means to combat the problem of illegal
immigration. We set up a simple two-period model of international migration between a poor South and a rich North with temporary
visas issued for one period. Because of capital market imperfections, immigrants from the South face additional capital costs
when financing the visa fee. In this model, we find that temporary visas can improve welfare in the North if capital costs
of the immigrants are sufficiently low. For high capital costs, however, a welfare reduction cannot be ruled out. We extend
the model to the case of heterogeneous immigrants and asymmetric information. In this setting, we show that the government
in the North may have an incentive to issue temporary visas for those with low capital costs and to tolerate illegal immigration
of the others. 相似文献