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41.
We examine the relative importance of the growth of physical and human capital and the growth of total factor productivity (TFP) using newly organized data on 145 countries that spans more than 100 years for 23 of these countries. For all countries, only 14% of average output growth per worker is associated with TFP growth. We use priors from theories to construct estimates of the relative importance of the variances of aggregate input growth and TFP growth across countries. Much of the importance of the variance of TFP growth across countries is associated with negative TFP growth. (JEL O47 , O50 , O57 , O30 , N10 ) 相似文献
42.
Previous authors have argued that trust may be based on the extent to which risk communicators are seen as good at discriminating safety from danger, are unbiased in their assessments, and share their audience's values. Residents of two English urban regions rated their trust in six potential sources of information about the risk of contaminated land in their neighborhood (independent scientists; local council property developers; residents' groups; friends and family; local media), and how expert, open, accurate, or biased these sources were and how much they had residents' interests at heart. Overall, scientists were trusted most and developers least, but this was only partly due to their greater perceived expertise. Resident groups and friends/family were also trusted, despite being seen as relatively inexpert, since they scored highly on openness and shared interests, these latter two attributes being more important predictors of trust in individual sources than perceived expertise. We conclude that, where a source is seen as motivated to withhold, distort, or misinterpret information, this will undermine public trust even in apparently knowledgeable sources, hence supporting the view that trust depends on a combination of perceived expertise and perceived motives as complementary processes. 相似文献
43.
PURCHASING POWER PARITY AND BLACK-MARKET EXCHANGE RATES 总被引:1,自引:0,他引:1
WILLIAM PATTON CULBERTSON JR. 《Economic inquiry》1975,13(2):287-296
This paper develops a theory of black-market exchange rate determination as a function of the market-clearing rate, the official rate and changes in official reserve levels. The model is tested for three countries over the period 1952–1971 by using purchasing-power-parity calculations as approximations of the equilibrium rate. The results indicate that relative rates of inflation are the dominant forces influencing equilibrium exchange rates. 相似文献
44.
45.
Considerable attention has been devoted in recent years to theuse of political drama by the president, with the most discretionaryforms of drama—speeches and foreign travel—receivingmuch scrutiny. In fact, there has arisen a conventional wisdomwhich asserts that televised speeches and foreign travel bythe president (1) have increased over time, (2) exert a uniformlypositive impact on public evaluations of the president's performance,and (3) can therefore be used as a strategy for influencingthe president's approval ratings, a vital resource for the modernpresident. The purpose of this paper is to evaluate this conventionalwisdom and thus assess the value of televised speeches and foreigntravel as influences on presidential approval. The paper firstdefines political drama and casts the conventional wisdom inthe form of three propositions. It next develops a researchstrategy for evaluating these propositions in an appropriatemanner. Finally, the paper tests the propositions. The resultscast considerable doubt on the conventional wisdom and leadto the conclusion that the use of political drama is not anall-purpose strategy guaranteed to halt declines or replenishsizable losses of presidential approval. 相似文献
46.
A comparison of response rates and patterns to a mail surveyconducted simultaneously on random samples drawn from telephonelistings in Seattle, Washington, and Kobe, Japan, is presented.When undeliverable surveys (those for which the intended respondenthad moved or passed away) are subtracted from the original samples,a comparison of the differences in the response rate percentagesfor the two countries is found to be statistically insignificant.Adherence to the theoretical foundation of the Total DesignMethod is claimed to be the principal reason for success inachieving a higher response rate than predicted by Japanesescholars to the mail survey in Japan. These results show thatthere is potential for adapting survey research techniques developedin the United States to non-Occidental settings. 相似文献
47.
48.
Comparing products using data envelopment analysis 总被引:3,自引:0,他引:3
Using an application of linear programming known as Data Envelopment Analysis (DEA), a method is described to compare products which vary in excellence along a number of dimensions, and for each of which there might be a number of associated “costs”. The method is illustrated by comparing published benchmarks of 37 computer printers. Potential uses of a DEA analysis of products might be: to assist corporate buyers who may need to reconcile a diversity of present and future uses in one standardised purchase; in competitor analysis; in determining unexplored market niches; and as a normative model of product excellence against which product purchasing behaviour could be compared. 相似文献
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50.
Using data from the 1980 National Election Study, we examinethe claims (1) that those voters who shifted to Ronald Reaganin 1980 ("New Republicans") were drawn disproportionately fromthe lower to middle strata of the population: (2) that theywere social conservatives motivated by issues like abortionand ERA: and (3) that they were more religious and alienatedfrom the federal government than average. Our results stronglysuggest that all of these assertions are false and thus questionthe emergence of a "neopopulist" or "Middle American Radical"political constituency on the right wing of American politics.Our findings also have implications for prominent theories aboutconservative political movements and about the changing natureof party politics in a postindustrial society. 相似文献