994 resultados para Schwatka, Frederick, 1849-1892.


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Mode of access: Internet.

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Mode of access: Internet.

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[Matthaei is standing at far left.]

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Previous research has shown that often there is clear inertia in individual decision making---that is, a tendency for decision makers to choose a status quo option. I conduct a laboratory experiment to investigate two potential determinants of inertia in uncertain environments: (i) regret aversion and (ii) ambiguity-driven indecisiveness. I use a between-subjects design with varying conditions to identify the effects of these two mechanisms on choice behavior. In each condition, participants choose between two simple real gambles, one of which is the status quo option. I find that inertia is quite large and that both mechanisms are equally important.

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Attitudes toward risk influence the decision to diversify among uncertain options. Yet, because in most situations the options are ambiguous, attitudes toward ambiguity may also play an important role. I conduct a laboratory experiment to investigate the effect of ambiguity on the decision to diversify. I find that diversification is more prevalent and more persistent under ambiguity than under risk. Moreover, excess diversification under ambiguity is driven by participants who stick with a status quo gamble when diversification among gambles is not feasible. This behavioral pattern cannot be accommodated by major theories of choice under ambiguity.

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Each plate accompanied by guard sheet with descriptive letterpress.

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Contribution from the Bureau of Biological Survey.

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Includes index.

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"This edition is limited to 875 copies, of which 750 are for sale."

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"A publication of the National Bureau of Economic Research, inc., in cooperation with the Committee on Recent Economic Changes."

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Introduction signed: William F. Bridge.

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Sonia Kovalevsky, what I know about her from personal acquaintance and what she told me about herself, by Anna Carlotta Leffler, duchess of Cajanello,--Life in Russia; the sisters Rajevski, by Sonia Kovalesky.