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101.
JONATHAN TIEMANN 《The Journal of Finance》1988,43(2):327-338
The author examines the relationship between the Arbitrage Pricing Theory of Ross and mean-variance analysis. In particular, conditions are derived on the vector of the factor risk premia that are equivalent to the existence of a strictly positively weighted portfolio on the minimum-variance frontier. Also, a sufficient condition is given under which the existence of a positive minimum-variance portfolio of all the assets in the economy will imply the existence of a positive minimum-variance portfolio on a subset. This means that rejection of the hypothesis of the existence of a positive minimum-variance portfolio on a subset satisfying this condition implies rejection for the whole set. 相似文献
102.
The Crawford Committee on structural adjustment in Australia recommended a subsidy to be paid on the excess of manufacturing export revenues over the average of some number of previous years. Schemes, of this nature have been used in New Zealand. Pakistan, Singapore and elsewhere, and may produce a regular cycle in exports and in domestic prices and quantities. A subsidy-induced cycle is unlikely to be avoided in most Australian manufacturing export industries, except under conditions of rapid inflation or productivity -growth. The cyclical pattern can be avoided, at some cost to the Treasury, by setting the subsidy base at some fraction of actual past performance. 相似文献
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105.
Information Cascades: Evidence from a Field Experiment with Financial Market Professionals 总被引:6,自引:0,他引:6
Previous empirical studies of information cascades use either naturally occurring data or laboratory experiments. We combine attractive elements from each of these lines of research by observing market professionals from the Chicago Board of Trade (CBOT) in a controlled environment. Analysis of over 1,500 individual decisions suggests that CBOT professionals behave differently from our student control group. For instance, professionals are better able to discern the quality of public signals and their decisions are not affected by the domain of earnings. These results have implications for market efficiency and are important in both a positive and normative sense. 相似文献
106.
This paper shows that the existence of managerial ability, combined with the labor contract prevalent in the industry, implies that the closed‐end fund discount should exhibit many of the primary features documented in the literature. We evaluate the model's ability to match the quantitative features of the data, and find that it does well, although there is some observed behavior that remains to be explained. 相似文献
107.
Lower prices produce higher demand… or do they? A bank's direct marketing to holders of “free” checking accounts shows that a large discount on 60% APR overdrafts reduces overdraft usage, especially when bundled with a discount on debit card or autodebit transactions. In contrast, messages mentioning overdraft availability without mentioning price increase usage. Neither change persists long after the messages stop. These results do not square easily with classical models of consumer choice and firm competition. Instead, they support behavioral models where consumers underestimate and are inattentive to overdraft costs, and firms respond by shrouding overdraft prices in equilibrium. 相似文献
108.
ARTHUR Rosenfeld CELINA Atkinson JONATHAN Koomey ALAN Meier ROBERT J. Mowris LYNN PRICE 《Contemporary economic policy》1993,11(1):45-68
Comparison of nine conservation supply curves for electricity shows that fully implementing a series of energy efficiency measures will result in annual saving of 734 billion kWh (BkWh). This is 45 percent of 1989 U.S. building sector electricity use of 1627 BkWh and represents a $29 billion saving. When translated to units of conserved carbon dioxide (CC CO2 ), this annual saving is 514 megatonnes, which is 10 percent of the total 1989 U.S. carbon dioxide (CO2 ) emissions from all sources. Implementing additional fuel efficiency measures would result in further potential saving of 5·2 quads of fuel (natural gas and oil) per year, or another 300 megatonnes of CO2 , at a net savings of $20 billion. Fuel switching (replacing electric resistance heat with on-site natural gas combustion) would produce annual saving of another 74 megatonnes of CO2 at a net saving of $6·8 billion. Thus, total CO2 saving from these combined efficiency measures are 890 megatonnes at a net saving of $56 billion per year. 相似文献
109.
We use a standard New Keynesian model of a small open economy, extended to include a government sector, to investigate the Great Depression in Australia. A calibrated model with a fixed exchange rate regime, similar to the gold standard, does well in replicating the dynamics of output during the interwar period. We then ask to what extent shocks to the economy would have been moderated by adopting modern‐day policies. We find that if policymakers had adopted a flexible exchange rate with a Taylor rule policy that output fluctuations during the Great Depression would have been moderated by up to 25%. Changes in government fiscal policy would also have moderated output fluctuations, but by a slightly smaller amount. Overall, we find that improved policy could have reduced output fluctuations by almost 50%. 相似文献
110.