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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Abba P. Lerner</span></h1>
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<p><b>Abba P. Lerner</b> (<i>Abba Ptachya Lerner</i>; * <a href="28._Oktober" title="28. Oktober">28. Oktober</a> <a href="1903" title="1903">1903</a> in <a href="Bessarabien" title="Bessarabien">Bessarabien</a>; † <a href="27._Oktober" title="27. Oktober">27. Oktober</a> <a href="1982" title="1982">1982</a> in <a href="Tallahassee" title="Tallahassee">Tallahassee</a>, <a href="Florida" title="Florida">Florida</a>) war ein US-amerikanischer <a href="Wirtschaftswissenschaftler" title="Wirtschaftswissenschaftler">Ökonom</a>.
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<div class="mw-heading mw-heading2"><h2 id="Leben">Leben</h2></div>
<p>Lerners jüdische Familie wanderte 1912 zunächst nach <a href="London" title="London">London</a> aus, wo er sich ökonomisch ausbilden ließ. Er hatte dort u.&nbsp;a. Kontakt mit <a href="John_Maynard_Keynes" title="John Maynard Keynes">John Maynard Keynes</a>. Er siedelte 1937 in die <a href="USA" class="mw-redirect" title="USA">USA</a> über. 1971 wurde er in die <a href="American_Academy_of_Arts_and_Sciences" title="American Academy of Arts and Sciences">American Academy of Arts and Sciences</a> gewählt, 1974 in die <a href="National_Academy_of_Sciences" title="National Academy of Sciences">National Academy of Sciences</a> und 1980 als korrespondierendes Mitglied in die <a href="British_Academy" title="British Academy">British Academy</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="Wirken">Wirken</h2></div>
<p>Lerner entwickelte wie auch <a href="Oskar_Lange" title="Oskar Lange">Oskar Lange</a> ein Modell des <a href="Konkurrenzsozialismus" title="Konkurrenzsozialismus">Konkurrenzsozialismus</a>, das sich von der reinen <a href="Zentralverwaltungswirtschaft" title="Zentralverwaltungswirtschaft">Zentralverwaltungswirtschaft</a> unterschied. Es wurde auch als <a href="Dritter_Weg" title="Dritter Weg">dritter Weg</a> bekannt. Wie auch <a href="Wassily_Leontief" title="Wassily Leontief">Wassily Leontief</a> verbesserte Lerner Berechnungen <a href="Wilhelm_Launhardt" title="Wilhelm Launhardt">Wilhelm Launhardts</a> zum <a href="Terms-of-Trade-Effekt" class="mw-redirect" title="Terms-of-Trade-Effekt">Terms-of-Trade-Effekt</a>. Lerner verbesserte zudem eine Formel <a href="Alfred_Marshall" title="Alfred Marshall">Alfred Marshalls</a>, die seither als <a href="Marshall-Lerner-Bedingung" title="Marshall-Lerner-Bedingung">Marshall-Lerner-Bedingung</a> bekannt ist, und auf Lerner geht das <a href="Lerner-Samuelson-Theorem" class="mw-redirect" title="Lerner-Samuelson-Theorem">Lerner-Samuelson-Theorem</a> zurück. Außerdem ist der <a href="Lerner-Index" title="Lerner-Index">Lerner-Index</a>, eine Indikator zur Bestimmung des Monopolgrades eines Marktes, nach ihm benannt.
</p><p>Lerner entwickelte das Konzept der <i><a href="Functional_Finance" class="mw-redirect" title="Functional Finance">Functional Finance</a></i><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>, eine Theorie zielbewusster Geldanlage und Finanzierung zur Konjunktursteuerung, um bestimmte Ziele einschließlich Vollbeschäftigung zu erreichen.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>
Er konzipierte das Konzept des „low full employment“, das in der modernen Theorie unter dem Namen <a href="Nat%C3%BCrliche_Arbeitslosigkeit" class="mw-redirect" title="Natürliche Arbeitslosigkeit">Natürliche Arbeitslosigkeit</a> von großer Bedeutung ist.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="Literatur">Literatur</h2></div>
<ul><li><a href="David_S._Landes" title="David S. Landes">David S. Landes</a>: <i><a rel="nofollow" class="external text" href="https://www.nap.edu/read/4547/chapter/10#208">Abba Ptachya Lerner</a>.</i> In: <a href="National_Academy_of_Sciences" title="National Academy of Sciences">National Academy of Sciences</a> (Hrsg.): <i>Biographical Memoirs.</i> Band 64. The National Academy Press, 1994, ISBN 0-309-06978-5, S. 208–231</li></ul>
<div class="mw-heading mw-heading2"><h2 id="Weblinks">Weblinks</h2></div>
<ul><li><a rel="nofollow" class="external text" href="https://portal.dnb.de/opac.htm?method=simpleSearch&amp;query=118779613">Literatur von und über Abba P. Lerner</a> im Katalog der <a href="Deutsche_Nationalbibliothek" title="Deutsche Nationalbibliothek">Deutschen Nationalbibliothek</a></li>
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</style><a rel="nofollow" class="external text" href="https://web.archive.org/web/20101204031145/http://homepage.newschool.edu/het/profiles/lerner.htm"><i>Abba P. Lerner, 1903–1982</i></a> (<span class="webarchiv-memento"><a href="Webarchivierung#Begrifflichkeiten" title="Webarchivierung">Memento</a></span> vom 4. Dezember 2010 im <i><a href="Internet_Archive" title="Internet Archive">Internet Archive</a></i>), Biografie, Bibliografie und Weblinks, <i>The History of Economic Thought</i> Website von Gonçalo L. Fonseca an der <i><a href="The_New_School" title="The New School">New School</a></i></li>
<li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20110927044528/http://www.economyprofessor.com/theorists/abbalerner.php"><i>Abba Lerner</i></a> (<span class="webarchiv-memento"><a href="Webarchivierung#Begrifflichkeiten" title="Webarchivierung">Memento</a></span> vom 27. September 2011 im <i><a href="Internet_Archive" title="Internet Archive">Internet Archive</a></i>) Biografie und Bibliografie auf der Website <i>Economy Professor</i></li>
<li><i><a rel="nofollow" class="external text" href="https://www.econlib.org/library/Enc/bios/Lerner.html">Abba Ptachya Lerner</a></i> in <i>The Concise Encyclopedia of Economics</i></li></ul>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><span class="cite"><a rel="nofollow" class="external text" href="https://www.thebritishacademy.ac.uk/documents/2528/Deceased_Fellows.pdf"><i>Deceased Fellows.</i></a> British Academy,<span class="Abrufdatum"> abgerufen am 28.&nbsp;Juni 2020</span>.</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&amp;rfr_id=info%3Asid%2Fde.wikipedia.org%3AAbba+P.+Lerner&amp;rft.title=Deceased+Fellows&amp;rft.description=Deceased+Fellows&amp;rft.identifier=https%3A%2F%2Fwww.thebritishacademy.ac.uk%2Fdocuments%2F2528%2FDeceased_Fellows.pdf&amp;rft.publisher=British+Academy">&nbsp;</span></span>
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<li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text">Abba P. Lerner: <cite style="font-style:italic">Economics of Employment</cite>. McGraw-Hill, New York 1951, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em">&nbsp;</span>122–138</span>.<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rfr_id=info:sid/de.wikipedia.org:Abba+P.+Lerner&amp;rft.au=Abba+P.+Lerner&amp;rft.btitle=Economics+of+Employment&amp;rft.date=1951&amp;rft.genre=book&amp;rft.pages=122-138&amp;rft.place=New+York&amp;rft.pub=McGraw-Hill" style="display:none">&nbsp;</span></span>
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<li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text">Abba Lerner: <cite style="font-style:italic">Functional Finance and the Federal Debt</cite>. In: <cite style="font-style:italic">Social Research</cite>. <span style="white-space:nowrap">Band<span style="display:inline-block;width:.2em">&nbsp;</span>10</span>, <span style="white-space:nowrap">Nr.<span style="display:inline-block;width:.2em">&nbsp;</span>1</span>, 1943, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em">&nbsp;</span>38–51</span>.<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rfr_id=info:sid/de.wikipedia.org:Abba+P.+Lerner&amp;rft.atitle=Functional+Finance+and+the+Federal+Debt&amp;rft.au=Abba+Lerner&amp;rft.date=1943&amp;rft.genre=journal&amp;rft.issue=1&amp;rft.jtitle=Social+Research&amp;rft.pages=38-51&amp;rft.volume=10" style="display:none">&nbsp;</span></span>
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<li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><span class="cite">Faruk Ülgen: <a rel="nofollow" class="external text" href="https://halshs.archives-ouvertes.fr/halshs-00843754/document"><i>Financial instability and functional finance: a Lerner-Minsky perspective.</i></a> In: <i>halshs.archives-ouvertes.fr.</i> 24th annual conference of the European association for evolutionary political economy, Oktober 2012,<span class="Abrufdatum"> abgerufen am 25.&nbsp;August 2019</span> (englisch).</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&amp;rfr_id=info%3Asid%2Fde.wikipedia.org%3AAbba+P.+Lerner&amp;rft.title=Financial+instability+and+functional+finance%3A+a+Lerner-Minsky+perspective&amp;rft.description=Financial+instability+and+functional+finance%3A+a+Lerner-Minsky+perspective&amp;rft.identifier=https%3A%2F%2Fhalshs.archives-ouvertes.fr%2Fhalshs-00843754%2Fdocument&amp;rft.creator=Faruk+%C3%9Clgen&amp;rft.publisher=24th+annual+conference+of+the+European+association+for+evolutionary+political+economy&amp;rft.date=2012-10&amp;rft.language=en">&nbsp;</span></span>
</li>
<li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text">Abba Lerner: <cite style="font-style:italic">Economics of Employment</cite>. McGraw-Hill, New York 1951, <a href="OCLC" title="OCLC">OCLC</a> <a rel="nofollow" class="external text" href="https://worldcat.org/oclc/1311720">1311720</a>, <span style="white-space:nowrap">Kap.<span style="display:inline-block;width:.2em">&nbsp;</span>13</span>, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em">&nbsp;</span>191–208</span>.<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abookitem&amp;rfr_id=info:sid/de.wikipedia.org:Abba+P.+Lerner&amp;rft.atitle=13&amp;rft.au=Abba+Lerner&amp;rft.btitle=Economics+of+Employment&amp;rft.date=1951&amp;rft.genre=bookitem&amp;rft.oclc=1311720&amp;rft.pages=191-208&amp;rft.place=New+York&amp;rft.pub=McGraw-Hill" style="display:none">&nbsp;</span></span>
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