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61.
Ronald MacDonald 《Journal of Business Finance & Accounting》1994,21(1):65-76
In this paper the efficiency of the UK stock market is examined using the FT Ordinary share price and dividend indices for the period January 1947 to June 1987. In particular, we examine the validity of the present value model of stock prices using a vector error correction model (VECM). Amongst the findings reported in the paper are that stock prices and dividends are cointegrated and the cross-equation restrictions imposed on the VECM are strongly rejected. 相似文献
62.
Ronald McKinnon 《Economics of Transition》2002,10(2):343-364
Across nations or regions, the debate on optimum exchange rate cum monetary policies is not yet resolved on three levels. First is the optimum domain of fixed exchange rates versus keeping them flexible. Second is the subordinate debate on whether one needs full monetary union (as in continental Europe) to secure an optimum currency area's internal domain; or, whether virtually fixed exchange rates — where national currencies remain in circulation — can be sufficient. Third is whether a regional grouping of economies with close trade ties (as in East Asia) gain by collectively pegging to an outside currency such as the US dollar. Using an axiomatic approach, which limits the set of cross‐country financial claims to what is feasible, I analyse how best to both share and reduce macroeconomic risks on these three levels. JEL classification: F31, F36. 相似文献
63.
Gabrielle Demange 《Economic Theory》2002,20(1):1-27
Summary. This paper defines and studies optimality in a dynamic stochastic economy with finitely lived agents, and investigates the
optimality properties of an equilibrium with or without sequentially complete markets. Various Pareto optimality concepts
are considered, including interim and ex ante optimality. We show that, at an equilibrium with a productive asset (land) and sequentially complete markets, the intervention
of a government may be justified, but only to improve risk sharing between generations. If markets are incomplete, constrained
interim optimality is investigated in two-period lived OLG economies. We extend the optimality properties of an equilibrium with
land and give conditions under which introducing a pay-as-you-go system at an equilibrium would not lead to any Pareto improvement.
Received: October 5, 1998; revised version: April 3, 2001 相似文献
64.
65.
Dieter Joachim Ziegenhagen 《保险科学杂志》2002,91(3):259-277
At present, our society and its social security system are not prepared to cope with the challenges resulting from the continuous increase of life expectancy. The traditional concept of disease has to be modified for serving the special needs of the elderly. The optimistic compression of disease theory is an intriguing model, but lacks prove by available data. The anti-aging boom diverts the focus from the social and financial burden that will be unevitably caused by long-term care in the future. If there will not be an — up to now unforeseeable — breakthrough in research, particularly dementia will have an enormous impact on social cost which is often underestimated. 相似文献
66.
Efficient Liability Rules: Complete Characterization 总被引:5,自引:0,他引:5
Received May, 18, 2000; revised version received March, 19, 2001 相似文献
67.
68.
We study possible rankings of opportunity profiles. An opportunity profile is a list of opportunity sets, one for each agent
in the society. We compare profiles on the basis of the notion of “equality of opportunities”. Our main results show the necessary
and sufficient conditions for this comparison to be made using exclusively the information provided by two cardinal measures:
the number of common alternatives in all sets of a given profile and the difference between the number of alternatives in
the individual sets. We also show that, under additional axioms, we can combine these criteria only in a weighted procedure
or in some lexicographic refinements of a weighted procedure.
相似文献
69.
70.