{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T23:30:00Z","timestamp":1778887800238,"version":"3.51.4"},"reference-count":25,"publisher":"American Association for the Advancement of Science (AAAS)","issue":"5952","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Science"],"published-print":{"date-parts":[[2009,10,23]]},"abstract":"<jats:title>Observing Unrevealed Preferences<\/jats:title>\n          <jats:p>\n            Ideally, it would be possible to design a system of incentives for the production and allocation of public goods with the following properties: (i) it would be budget-balanced; (ii) people would participate willingly because they would not be made worse off by doing so; (iii) it would be easy for each participant to find his or her optimal strategy; and (iv) the equilibrium solution would yield the optimal production of the public good. Sadly, this set of conditions cannot be satisfied simultaneously because it requires that self-interested individuals reveal voluntarily and truthfully how much they value the public good.\n            <jats:bold>\n              Krajbich\n              <jats:italic>et al.<\/jats:italic>\n            <\/jats:bold>\n            (p.\n            <jats:related-article xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"doi\" page=\"596\" related-article-type=\"in-this-issue\" vol=\"326\" xlink:href=\"10.1126\/science.1177302\">596<\/jats:related-article>\n            , published online 10 September) ask whether a neuroimaging measurement can be used to circumvent this reliance on observed behavior by decoding individual valuations. A decoding accuracy of 55% would be sufficient, and, in a laboratory experiment, an optimal provision of public goods was indeed achieved.\n          <\/jats:p>","DOI":"10.1126\/science.1177302","type":"journal-article","created":{"date-parts":[[2009,9,11]],"date-time":"2009-09-11T01:43:19Z","timestamp":1252633399000},"page":"596-599","source":"Crossref","is-referenced-by-count":47,"title":["Using Neural Measures of Economic Value to Solve the Public Goods Free-Rider Problem"],"prefix":"10.1126","volume":"326","author":[{"given":"Ian","family":"Krajbich","sequence":"first","affiliation":[{"name":"Division of Humanities and Social Sciences, California Institute of Technology, Pasadena, CA 91125, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Colin","family":"Camerer","sequence":"additional","affiliation":[{"name":"Computation and Neural Systems Program, California Institute of Technology, Pasadena CA 91125, USA."},{"name":"Division of Humanities and Social Sciences, California Institute of Technology, Pasadena, CA 91125, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John","family":"Ledyard","sequence":"additional","affiliation":[{"name":"Division of Humanities and Social Sciences, California Institute of Technology, Pasadena, CA 91125, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antonio","family":"Rangel","sequence":"additional","affiliation":[{"name":"Computation and Neural Systems Program, California Institute of Technology, Pasadena CA 91125, USA."},{"name":"Division of Humanities and Social Sciences, California Institute of Technology, Pasadena, CA 91125, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"221","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.2307\/1925895"},{"key":"e_1_3_2_3_2","unstructured":"E. 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