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Showing papers on "Spillover effect published in 1969"


Journal ArticleDOI
TL;DR: In this article, the role of water in the Pt-WO3 system was investigated and it was shown that if the WO3 was mixed with platinum black and also if water was preadsorbed on the mixture prior to admitting hydrogen to the system, the reduction did not take place at all at room temperature.
Abstract: It was found that yellow WOs could be reduced at room temperature by molecular hydrogen to form blue solids, the hydrogen analogs of tungsten bronzes with a molar composition of H0.35WO3. But this was possible only if the WO3 was mixed with platinum black and also if water was preadsorbed on the mixture prior to admitting hydrogen to the system. If either one of these conditions was not satisfied, reduction did not take place at all at room temperature. Additional observations of spillover in this and similar systems are reported in this paper. They throw more light on the role of water in the Pt— WO3 system, show the generality of the phenomenon and stress its importance in adsorption, solid state reactions and surface catalysis.

134 citations


Journal ArticleDOI
01 Nov 1969-Kyklos
TL;DR: In this article, a conceptual framework for the systematic analysis of inter-community spillovers and their implications for local expenditure-investment decisions is developed, based on the effects they have upon the rate of exchange between current goods for private consumption and publicly provided goods.
Abstract: SUMMARY This paper develops a conceptual framework for the systematic analysis of inter-community spillovers and their implications for local expenditure-investment decisions. Spillovers are distinguished on the basis of the effects they have upon the rate of exchange between current goods for private consumption and publicly provided goods. The mechanisms of spillovers—economic interaction, fiscal inter-dependence, and migration—and the concept of community are examined in this context. A diagrammatic analysis is used to demonstrate the influence of spill-overs on the decision making unit's allocation of resources. Methodological issues and problems involved in estimating spillover magnitudes are presented. A case study provides numerical counterparts for the theoretical quantities of the analysis. While emphasis is on publicly provided education in the United States, the framework and methodology should be applicable to other local governments and their services.

8 citations