An Economic premium principle under the dual theory of the smooth ambiguity model

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      <subfield code="a">An Economic premium principle under the dual theory of the smooth ambiguity model</subfield>
      <subfield code="c">Yoichiro Fujii, Hideki Iwaki, Yusuke Osaki</subfield>
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      <subfield code="a">This study considers a pure exchange economy with insurance against ambiguous loss. Ambiguity preferences are represented by the dual theory of the smooth ambiguity model fromIwaki and Osaki (2014). The economic premium principle of Bühlmann (1980, 1984) is extended to ambiguity. We also perform some comparative statics and present sufficient conditions under which an increase in ambiguity aversion increases insurance demand and insurance premiums. Contrary to the result in Tsanakas and Christofides (2006), the optimal demand for insurance is not always comonotonic, because our model permits an economy comprising both ambiguity averse and ambiguity loving agents.</subfield>
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      <subfield code="g">01/09/2017 Volumen 47 Número 3 - septiembre 2017 , p. 787-801</subfield>
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