Word Count : 478

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केनेथ एरो द्वारा प्रस्तुत "करके सीखना" (Learning by Doing) मॉडल विकास अर्थशास्त्र में एक महत्वपूर्ण अवधारणा है, जो यह बताती है कि उत्पादन प्रक्रिया के दौरान अनुभव और अभ्यास से श्रमिकों तथा उद्यमों की उत्पादकता में स्वतः वृद्धि होती है। यह मॉडल 1962 में एरो द्वारा “The Economic Implications of Learning by Doing” शीर्षक वाले लेख में प्रस्तुत किया गया था। इसमें उन्होंने यह सिद्ध करने का प्रयास किया कि तकनीकी प्रगति केवल अनुसंधान एवं विकास (R\&D) या नवाचार _______ _______ _________ ____ ________ _____.
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