{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T14:34:35Z","timestamp":1774622075323,"version":"3.50.1"},"reference-count":45,"publisher":"SAGE Publications","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IFS"],"published-print":{"date-parts":[[2021,9,15]]},"abstract":"<jats:p>This paper focuses on logical aspects of choices being made by the consumer under conditions of uncertainty or certainty. Such logical aspects are found out to be the same. Choices being made by the consumer that should maximize her subjective utility are decisions studied by revealed preference theory. A finite number of possible alternatives is considered. They are mutually exclusive propositions identifying all quantitative states of nature of a consumption plan. Each proposition of it is expressed by a real number. This research work distinguishes it from its temporary truth value depending on the state of information and knowledge of the consumer. Since each point of the consumption space of the consumer belongs to a two-dimensional convex set, this article focuses on conjoint distributions of mass. Indeed, the consumption space of the consumer is generated by all coherent summaries of a conjoint distribution of mass. Each point of her consumption space is connected with a weighted average of states of nature of two consumption plans jointly studied. They give rise to a conjoint distribution of mass. The consumer chooses a point of a two-dimensional convex set representing that bundle of goods actually demanded by her inside of her consumption space. This paper innovatively shows that it is nothing but a bilinear and disaggregate measure. It is decomposed into two real numbers, where each real number is a linear measure. In this paper, different measures are obtained. They can be disaggregate or aggregate measures, where the latter are independent of the notion of ordered pair of consumption plans.<\/jats:p>","DOI":"10.3233\/jifs-210234","type":"journal-article","created":{"date-parts":[[2021,8,31]],"date-time":"2021-08-31T14:17:16Z","timestamp":1630419436000},"page":"3093-3105","source":"Crossref","is-referenced-by-count":5,"title":["Summarized distributions of mass: a statistical approach to consumers\u2019 consumption spaces"],"prefix":"10.1177","volume":"41","author":[{"given":"Pierpaolo","family":"Angelini","sequence":"first","affiliation":[{"name":"Department of Statistical Sciences, Sapienza University of Rome, Italy"}]},{"given":"Fabrizio","family":"Maturo","sequence":"additional","affiliation":[{"name":"Department of Mathematics and Physics, University of Campania \u201cLuigi Vanvitelli\u201d, Caserta, Italy"}]}],"member":"179","reference":[{"issue":"1","key":"10.3233\/JIFS-210234_ref1","doi-asserted-by":"crossref","first-page":"105","DOI":"10.3233\/JIFS-161161","article-title":"Partial entropy of uncertain random variables","volume":"33","author":"Ahmadzade","year":"2017","journal-title":"Journal of Intelligent & Fuzzy Systems"},{"key":"10.3233\/JIFS-210234_ref2","doi-asserted-by":"crossref","unstructured":"Angelini P. , Maturo F. , Non-parametric probability distributions embedded inside of a linear space provided with a quadratic metric, Mathematics 8(11) (2020).","DOI":"10.3390\/math8111901"},{"key":"10.3233\/JIFS-210234_ref3","doi-asserted-by":"crossref","unstructured":"Angelini P. , Maturo F. , The consumer\u2019s demand functions defined to study contingent consumption plans, Quality & Quantity (2021). https:\/\/doi.org\/10.1007\/s11135-021-01170-2.","DOI":"10.1007\/s11135-021-01170-2"},{"issue":"1","key":"10.3233\/JIFS-210234_ref4","doi-asserted-by":"crossref","first-page":"199","DOI":"10.1214\/aoms\/1177704255","article-title":"A definition of subjective probability","volume":"34","author":"Anscombe","year":"1963","journal-title":"The Annals of Mathematical Statistics"},{"issue":"4","key":"10.3233\/JIFS-210234_ref5","doi-asserted-by":"crossref","first-page":"1279","DOI":"10.3982\/TE3438","article-title":"On the falsifiability and learnability of decision theories","volume":"15","author":"Basu","year":"2020","journal-title":"Theoretical Economics"},{"key":"10.3233\/JIFS-210234_ref6","doi-asserted-by":"crossref","unstructured":"Battigalli P. , Siniscalchi M. , Rationalization and incomplete information, The B. 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